2016
Environmental Report Digest

Contents■

Message from Top Management … 2■■

Special Story ……………………………… 3■■

Pursuing Environmental Management … 5■

Mitigating Climate Change ………… 14■

Site Data (Japan) ………………………… 25■

Promoting Recycling…………………… 19■

Site Data (Overseas) …………………… 29■

Biodiversity ………………………………… 21■

Environmental Risk Management …

22

Recent External Commendations and
Evaluations on Komatsu s Environmental
Conservation and Social Activities ……… 24

Environmental Education andEnvironmental Accounting ………… 30

Editorial Policy
The Environmental Report Digest 2016 is a digest regarding environmental activities, based on content from the Environmental
Report and Data from the website.
● As part of the initiatives in the environmental field, we have presented the new main initiatives or representative activities.
● The content of the Environmental Report and Data can be viewed on our website, as well as (1) general information, such as policies and general rules, (2) information on ongoing activities and initiatives, and (3) a comprehensive disclosure of detailed and related
information.
● Each item of the Environmental Report and Data on this website indicates that it has received an independent practitioner sassurance.
Website: http：//www.komatsu.com/CompanyInfo/csr/●

Scope of This Report●

Komatsu (parent company) manufacturing facilities, specifically the following eight plants
The Awazu Plant, the Kanazawa Plant [including the Kanazawa-Daiichi Plant and the Kanazawa-Daini Plant], the Osaka Plant[including the Rokko Plant], the Ibaraki Plant and the Oyama Plant [including Komatsu Cummins Engine Co., Ltd., Industrial Power
Alliance Ltd. and GIGAPHOTON, Inc.], the Koriyama Plant, and the Shonan Plant [including KELK Ltd.], the Tochigi Plant.
Komatsu Group manufacturing facilities in Japan, specifically the above eight plants and the following four business units
Komatsu Castex Ltd., Komatsu Cabtec Co., Ltd., Komatsu NTC Ltd. and Komatsu House Ltd.

● Komatsu Group manufacturing facilities outside Japan, specifically the following 20 plants

Komatsu America Corp.,[Chattanooga Manufacturing Operation], [Peoria Manufacturing Operation], [Newberry Manufacturing
Operation], Komatsu do Brasil Ltda., Hensley Industries, Inc. (The Americas), Komatsu UK Ltd., Komatsu Hanomag GmbH
(Germany), Komatsu Mining Germany GmbH, Komatsu Manufacturing Rus, LLC, Komatsu Italia Manufacturing S.p.A (Italy),
Komatsu Forest AB (Sweden), PT Komatsu Indonesia Tbk, PT Komatsu Undercarriage Indonesia, Bangkok Komatsu Co., Ltd.,
Komatsu India Pvt. Ltd., Komatsu Shantui Construction Machinery Co., Ltd., Komatsu (Changzhou) Construction Machinery
Corporation, Komatsu (Changzhou) Foundry Corp., Komatsu (Shandong) Construction Machinery Corp, and Komatsu
Undercarriage China Corp.
Komatsu Group manufacturing facilities including outside Japan: All of the 32 above-mentioned offices are shown.

Period Covered
This report principally covers data for the period from April 2015 to the end of March 2016, with some information from after
April 2016.

1

Environmental Report Digest 2016

Message from Top Management

Strengthening andPromoting Environmental
Endeavors for based on the
Komatsu Way

President

Tetsuji Ohashi
Endeavors for the Environment
based on ESG
ESG, which we have been working on for a long time, will
increase in importance more and more in the future. In the Midterm Management Plan Together We Innovate GEMBA Worldwide
beginning in April 2016, ESG is considered a priority area in our
endeavors.
Within this plan, we have set environmental objectives basedon the spirit of Komatsu Way, to make the most of our competitive strength in manufacturing products so that Komatsu becomesan indispensable presence for our customers. In terms of CO2
emissions during the life cycle of construction equipment, preliminary calculations show that approximately 90% of all emissions
over the life cycle is emitted from the construction equipment
being used at the workplace (Gemba) of the customers, so it isclear that reduction of these emissions is vital. From this, we haveset a target to reduce CO2 emissions in the use of Komatsu products by 25% per workload by the year 2025.
Furthermore, by making the most of Komatsu s strength inproduct manufacturing, we will set high target rates for the
reduction of CO2 in production and proactively work towards
achieving these goals.

Endeavors for Environmental
Issues based on Innovation
As a part of Komatsu s endeavors to reduce CO2 emissions
when customers are using construction equipment, we haveapproached the issue from the three points of Dantotsu
Products , Dantotsu Services and Dantotsu Solutions . As a
Dantotsu Product, we introduced the first hybrid hydraulicexcavator to the market world-wide in 2008, and as a Dantotsu
Service, we have recommended a fuel-efficient method of driving
based on KOMTRAX. Smart Construction, which began inJapan in February 2015, is a Dantotsu Solution by Komatsu
that makes the safety and high productivity of the Gemba of the
Future a reality through the automation of equipment operation
by ICT construction equipment and by using ICT technology toconnect all data involved in a construction site, such as measurement data, design data, and work progress. The efficiency ofconstruction equipment operation will be increased dramatically
and, as a result, the amount of CO2 emissions per workload will
be greatly reduced. By spreading these innovations, Komatsu
will contribute to solving the environmental issues of the construction sites (Gemba).

Endeavors for Environmental Issuesof the Manufacturing Sites throughStrengthening Competitiveness in
Product Manufacturing
Activities to cut electricity use in half within Komatsu s domestic plants have been progressing, and we were able to achieve amajor reduction in the amount of electricity purchased by
FY2015. Going forward̶together with our business partners̶
we will promote innovations in the manufacturing sites using
Connectivity through IoT, achieve even higher levels of energy
conservation, and strengthen our competitiveness in productmanufacturing, as we continue to work on finding solutions toenvironmental issues.
July 2016
Environmental Report Digest 20162

Contributions to
the Local Region
through Forestry-U sing Biomass Energy from 
Unused Timber from Forest Thinning-

Special Stor y
Komatsu s Awazu Plant, in cooperation with Ishikawa Prefecture s
KAGA Forest Association, has taken the unused timber produced by forest thinning from the local forestry industry to be
used as biomass chip fuel. By doing so not only is the Komatsu
Awazu Plant reducing the amount of electricity and oil purchasedand decreasing its CO2 emissions, it is also contributing to thevitalization of the local forestry and other indigenous industries,
as part of its aim to promote activities that build up the local
region.
Taking into consideration the electrical power condition after
the Great East Japan Earthquake in 2011, Komatsu has beenpromoting activities that will result in halving the amount of electricity used. The Awazu Plant in Ishikawa Prefecture constructed
a cutting-edge assembly plant and incorporated various energy-saving and energy-creating measures in order to aspire to thegoal of decreasing its electricity purchase for the new plant byover 90%. One such measure considered was the use of renewable energy, and the decision was made to make use of electricity
and heat energy supplied by biomass cogeneration. With the aimof contributing to the vitalization of the local forestry industry bypurchasing the necessary woodchip fuel from local foresters, inFebruary 2014 the Awazu Plant entered into the Comprehensive
Collaboration Agreement regarding the Forestry Industry with
the Ishikawa Prefecture and the Ishikawa Prefecture Forestry
Cooperative Federation. Based on this cooperative relationship,
the deployment of the biomass cogeneration system has progressed at Komatsu and the KAGA Forest Association has
started up a woodchip fuel business to supply it to the Komatsu
Awazu Plant.
As a part of this effort, the local industries have developed awoodchip manufacturing machine with even better manufacturing
Examples of Woody Biomass Use Model
Ishikawa
Prefecture● Coordination to start a business● Support for deploying woodchip producing machinery and boilers

Kaga Forestry Association

Komatsu Awazu Plant

Biomass Cogeneration (electricity generation + thermal usage)

Forest Thinning

Used by woody biomass boiler to generate andsupply electricity and used for air conditioning inside plant
Logging unused timberfrom forest thinning

Turned into woodchips at the plant

Hauling

Supply ofwoodchips

Biomass energy supply building

3

Environmental Report Digest 2016

capabilities, which has made the more stable production ofwoodchips possible. In this way, the energy-saving and energy-creating efforts of the Awazu Plant has lead to cooperation
with the local manufacturing industries and the vitalization of thelocal industries.

Komatsu’s Biomass Cogeneration System
The Biomass Cogeneration System that Komatsu deployed
this time produces high-pressure steam by burning chip fuel in a
steam boiler. The energy of that steam is then used to first, createcompressed air with a steam compressor; next, electricity is generated by a steam-electric generator; then finally, the heatexchanger changes it to hot or cold water for heating and cooling. With this system, it has become possible to use the heatproduced by the steam boiler in a highly efficient way. And,
though heat use efficiency using the steam electricity generation
alone is usually 15 to 20%, by using the heat effectively for thingsother than electricity generation, a high heat use efficiency ofapproximately 70% can be achieved, leading to a reduction inenergy cost.
The Biomass Cogeneration System of the Awazu Plant hasgone into full-scale operation since April 2015, and by using it forelectricity, compressed air, hot and cool energy, a savings ofapproximately 1,400MWh of purchased electricity and approximately 800 kiloliters of oil is expected annually.

Woodchip Production by
the KAGA Forest Association
As a result of these efforts, the KAGA Forest Association has
taken this opportunity to begin a new business of producing
woodchips from materials such as listing and unused lumber
from forest thinning. They cooperated with Komatsu s local business partner to develop a new woodchip production machine.
The new machine has been able to achieve more stable operation compared to previous models, and has made it possible toget a steady supply (7,000 tons/year) of woodchips.
In addition, Ishikawa Prefecture is expecting that there will be adecrease in damage from heavy rains and flooding due toreduced flood wood diffusion, as well as damage from harmful
wildlife being prevented, as a result of the forests being cleared ofunused lumber from forest thinning and residue materials being
left in the forest.

Biomass Cogeneration System

Input of Chips

Approximately 1,200kg/h

Biomass Boiler
Chips Burned

Steam that has lostit’s heat after use
goes back tothe boiler
as low-temperaturewater

Amount of Heat by chips input

Approximately 4,700kWh

SteamGenerated

Amount of heat usedapproximately 3,200kWh③Steam for Heat Exchange⇒converted to hot and cold
water for air conditioning

Heat use eﬃciency
approximately 70%

Hot and Cold Water Supply
Used for heating andcooling within the plant

Power output equivalentapproximately 2,900kWh① Steam Type
Compressor

Compressed Air Supply
Electricity Supply

Used for powering, lighting,and air conditioning the assembly plant

Used as power for plant machinery/
fastening power for bolts

Power Output equivalent to 75kWh

Power output of 210kWh

Use of Exhaust
Steam②Steam Type Power
Generator (Two)Use of Exhaust
Steam

（2台）

Woodchips Production by the KAGA Forest Association

Contributing to Society/Local Regions
through Core Business
It is hoped that the activities and efforts introduced thus far can
provide the following effects, and contribute to Komatsu s goal ofsolving problems facing society and the local regions throughKomatsu s core business.

Woodchips Production Building and Lumber for Woodchips

Voice

Newly Developed Woodchips
Production Machine

Woodchip Product(1) Contributing to the vitalization of local forestry (Business ofturning unused materials into woodchips)(2) Energy cost reduction and decrease in CO2 emissions for
Komatsu (Implementation of high efficiency Biomass Cogeneration System)(3) Contributing to the vitalization of local businesses (new salesof the woodchip production machine)(4) Contributing to sustaining a healthy natural environment andregional revitalization based on cooperating with the local
government.
Komatsu will provide support to the local forestry and farmingwith the technology and know-how that it has developed, andhopes to continue contributing to building up the local region andthe vitalization of entire local industries.

−Beautification of the Mountains by Effective Utilization of Unused Materials −Effective utilization of the listing and timber from forest thinning that had
been left neglected was one of the problems of the forest association.
This production of woodchips makes effective use of unused materials
and thereby cleans up the mountains, which in turn makes the forest
owners happy, and is therefore considered a very good thing. Hereon,
we would like to keep promoting efficiency and improving the revenue
aspect to aim for sustainable forestry.

KAGA Forest Association
Nata Plant Deputy General
Plant Manager

Kensaku Tanaka
Environmental Report Digest 20164

Pursuing Environmental Management
Komatsu promotes environmentally-friendly activities throughout the entire Group to realize its vision of What Komatsu Can Do
and What It Must Do for the environment and sustainable development.

Komatsu s Relationship with the Environment
In recognition of the fact that our business activities affect theenvironment on a regional and global level, we, at Komatsu, haveplaced the focus on the following four key areas:

In line with the Komatsu Earth Environment Charter revised in
2010, the Komatsu Group embarks on global initiatives acrossbusiness areas guided by the fundamental principles of1) Climate Change
2) Establishment of a Sound Material-Cycle Society3) Conservation of Air, Water and Other Natural Resources aswell as Management of Chemical Substances
4) Biodiversity(1) Contributions to Realization of Sustainable Society,(2) Simultaneous Realization of Environmental and Economic
Performance, and(3) Observance of Corporate Social Responsibility.

Relationship of the Komatsu Group s Business Activities with the Environment●●

Sales and After-sales Services●

Provision of environmentally-friendly products and services
Creation and operation of a transaction network for usedcomponents (parts), information on“Reman”sales, etc.

Activities based on health and safety
and environmental guidelines
Sales andafter-sales
service agents

Logistics
CO2 reductions
in logistics● Improvement oftransport efficiency● Improvement ofpacking material

Use

Communications
satellite

Reduction of environmental
impacts during the productusage stage● Provision of solutions forcustomers’environmental
activities● Promotion of fuel-efficient
operation● Product support throughuse of ICT●

Sales andafter-sales service
agents●Komatsu
employees

Sales, Rentals, andAfter-sales Services

Products

Products

Development
Environment & Economy
LCA design
Local● Medium-term targets forcommunity
development ofenvironmental technology●

Reuse of products●

Reuse Reuse of parts

Komatsu
employees

Reuse

Customers

ReduceBusiness
associates

Procurement ofMaterials●

Green procurement

Mitigation of climate change(energy conservation)● Effective utilization of resources(zero emissions)● Environmental risk management● Elimination of the use ofhazardous chemical substances● Termination of use of organic
chlorinated cleaning solvents● Correspondence to biodiversity

Use

Manufacturing

Recovery
Recycling of materials(outsourcing)

Used vehicles

RecycleProper disposal of waste(outsourcing)

Environmental Report Digest 2016

ParticulatematterRemanufacturing of usedcomponents (parts) “( Reman”business)

●

5

CO2
NOX

Komatsu
employees

DisassemblyKomatsu Earth Environment Charter （June 2010 revision）〈Corporate Principles〉

1. Contributions to Realization of Sustainable Society

Mankind must not only promote the further growth of a rich and comfortable society but also pass down this indispensable
environment of our planet earth to future generations in a sound and healthy condition.
We, at the Komatsu Group, define environmental conservation efforts as one of the highest priority management tasks, andendeavor to contribute to the sustainable growth of society by integrating advanced technologies into environmental conservation efforts in all our business activities. This is represented by our hybrid construction equipment which features a substantial
reduction of CO2 emissions while in operation and by our superior manufacturing.

2. Simultaneous Realization of Environmental and Economic Performance
We are committed to improving both environmental performance and economic efficiency, as a group of companies working
toward superior manufacturing for customer satisfaction. To this end, we constantly take up the challenge of advancing technologies to develop creative products that improve both environmental performance throughout the product s life cycle and the
product s economic performance at the same time.

3. Observance of Corporate Social Responsibility
Each company of the Komatsu Group promotes environmental conservation by not only complying with the applicable laws
and regulations of the concerned host community, region and country but also by establishing its voluntary standards which
consider global and local environmental concerns. Each company of the Group also strives to fulfill its corporate social responsibility by actively participating in local environmental conservation programs and thereby promoting close-knit communication
with local communities, while striving to become a company trusted by all Komatsu stakeholders.

〈Guidelines for Corporate Activity〉
1. Basic Stances on Earth Environmental Problems
We, at the Komatsu Group, work for sustainable society and earth environment through our global business operations byaddressing the following four environmental problems with the stances discussed below.
1）Climate Change
We will reduce the use of energy and emissions of greenhouse gas in all phases of our business activities ranging fromresearch and development, procurement, production and logistics to sales and service as well as in the total life cycle of our
products and services.
2）Establishment of a Sound Material-Cycle Society
Through our business processes, we work to minimize the use of natural resources, such as materials and water, promote
their re-use or recycle them as much as possible, and expand Zero Emissions from our manufacturing activities around theworld. At the same time we ensure the thorough management of waste materials in all our business domains, including our
suppliers and distributors. We also continuously work to increase the recyclability rate of products at the time of disposal.
3）Conservation of Air, Water and Other Environments as well as Management of Chemical Substances
We comply with not only local laws and regulations but also with our established standards concerning the conservation ofwater quality, prevention of air pollution, noise and vibrations.
As much as possible, we also ensure the thorough management of chemical substances for use in our business activities,
while continuously reducing the use of potentially harmful chemical substances or replacing them with alternative substances for discontinuation of their use.
4）Biodiversity
We recognize biodiversity as one of the important issues concerning the earth environment, evaluate, understand and analyze impact on it in all our business domains, and work on our tasks according to the criteria of the highest impact and/or
the most effective actions.

2. Framework of Global, Group-wide Environmental Management System
The Komatsu Head Office, as well as the manufacturing facilities and main companies of the Komatsu Group, already with ISO
certifications, will work to maintain and improve their environmental management system, while other manufacturing facilities andsuppliers will also work to establish their environmental management systems and reduce their environmental impact.
The Komatsu Environmental Committee develops environmental action plans and common guidelines for the Komatsu Group.
Based on these Group-wide plans and guidelines, each division or company sets up its own mid- to long-term targets, develops
and implements specific action plans, reviews them regularly and works to continuously improve them.

3. Environmental Education and Communication
We believe that it is important to enhance the environmental awareness of each and every employee and thereby actively
promote environmental awareness and education programs for all employees.
We will gather environment-related information concerning not only our manufacturing facilities but also other related entities,
such as major affiliated companies and suppliers, and strive to disclose such information, thereby facilitating proactive communication with all our stakeholders, such as customers, employees, local communities and suppliers and further expanding thecontent of environmental communication.

Environmental Report Digest 20166

Pursuing Environmental Management
Environmental Action Plan and Results for FY2015
To promote the Komatsu Earth Environment Charter, the company formulates environmental action plans (implementation
policies) for each field, establishes action targets for each fiscal
year, and steadily advances its policies, while following up on

their implementation status.
The detailed Environmental Action Plan and Results for eachfield are as follows.

Environmental Management
Implementation policies

Objectives for FY2015

Results for FY2015

Recieve a certificate continuity audit● Recieved a certificate continuity audit and continued the certificationand continue the certification.
1. Strengthen environmental management systems● Certification of overseas produc- ● One company (YNC) obtained certification
tion sites (1 company)
2. Environmental education and training: Implement the edu- Draw up and promote the educa- ●Held 14 courses with over 8,000 participants
tion plan●cation plan

3. Conduct environmental audits for overseas subsidiaries
4. Environmental communication: Publish a CSR &Environmental report

Medium- and long-term objectives●

Acquisition of integrated certificationby the Komatsu Group Sales Agencies
in JapanContinue to organize courses andexpand them to overseas locations
Environmental audit of an affiliated ●Implemented environmental audit at BKC
Continuation of activity
company in Thailand
Formulate a communication plan ● Published both the Japanese version (Web) and the English version (Web) in July Enhance the quality of the content; conand publish the report
2015
tinue to release report in early stage

Research and Development
Implementation policies

Objectives for FY2015

Results for FY2015

Medium- and long-term objectives

1. Reduce the environmental impact of construction equipDevelopment of vehicle compliant withment and industrial vehicles
Develop vehicles compliant with ● Developed vehicles equipped with engines compliant with Tier4 final emission
STAGE V emission standard effective
standards (PC138USLC-11, WA500/600-8, PC45/55MR-5, GD655-6 and more)
Develop low-emission construction equipment (compliant to Tier4 emission standards
from 2019
emission standards)
Reduction in emissions with Tier4
Decrease emissions by 10% from Tier4
emission standard (Hydraulic ● Achieved 8% to 10% reduction in emissions with vehicles complaint to Tier4 final standard compliant vehicles (hydraulicexcavators: 10-13% reduction emission standards (PC138USLC-11 and more)
excavators) by FY2015 and 20% bycompared to Tier3)
FY2020
Reduce CO2 emissions from construction equipment and Reduction in emissions with hybrid
Decrease emissions by 35% from Tier4
vehicle (Hydraulic excavators:
industrial vehicles (improve fuel efficiency of products)
standard compliant hybrid vehicles
25-35% reduction in emissions ● Development of Tier4 final compliant hydraulic excavator (HB335-3 and more)(hydraulic excavators) by FY2015 andcompared to current Tier3-normal
40% by FY 2020
vehicles)Develop ICT construction equipment ● PC development work in progress: PC128USi-10(in progress)

Reduce CO2 Emissions from construction equipment andB7 to B20 mixed light oil ● Already compliant with B10 state regulations in North America while working shift Use of B30-compliant light oil blended
industrial vehicles (Biodiesel Fuel (BDF) measures: Carbon measurescompliance from B15 to B20 in Indonesia
with BDF from 2020 (Indonesia)
Offset)Improving recyclability rate of construction equipment and Achieve 99±0.5% for recyclability ● Achieved 99% on a developed vehicle (Tier 4 Final emission standard-compliant
Achieve recyclability rate of 99.5±0.5%rate equipment compliant with thevehicle, ICT construction equipment)
industrial vehicle
next developed vehicles

Maintain reduction of hazardous ● Maintained 80% reduction of hazardous substances with newly developed vehiReduce lead usage by 90% as comsubstances at 75% reduction cles as compared to 1998 levels
pared to 1998 levels by 2017
● Realized cuts in lead usage in crawler-type construction equipment
compared to 1998 levels
Reduce the use of lead in vehicles ● Promoted the replacement of lead solder in residual parts other than electrical
Strictly control and reduce substances of environmental con- newly developed
parts (tank fillers)● Registered additional new 7 substances of SVHC under the EU REACH regulacern in construction equipment and industrial vehicle
Utilize a separate hazardous subtion, and controlled the usage of those SVHC substances. Conducted surveys ofManage substances of each compostances control system for each
substances for EU destination models and EU mass production and development
nent pursuant with new data
product type (to comply withmodels (Implementation of component-specific substance surveys)
REACH regulations)● The control system is being deployed in other overseas countries (other than EU)
2. Reduce the environmental impact of industrial machinery Develop and expand business affil- ● Released three models and lines in the H1F Series and also promoted develop- Expand AC servo press models andlines
iations for AC servo presses
ment of other models and lines
Market high-performance AC servo presses
Development of the fiber laser cut- ● Released an updated control model of a three-dimensional fiber laser cutting Expand business affiliations andMarket the energy-saving fiber laser cutting machineting machinemachine (TLH) and also promoted development of other lines
applications● Took part in the implementation of the NEDO joint R&D project as a developer of
Cut the cost of power generation
processing technology Development of Technologies for Cutting the Cost ofDevelopultra-finewire-readymachines
through enhanced power generation
Market high-efficiency wire saws for solar cells
Power Generation through High-Performance, High-Reliability Solar Power
efficiency and use of slimmer wafers
Generation.
Cut the amounts of electricity, air andDevelop energy-saving compact ●Developed a demonstration line (under development)
coolant consumption by 50% comMarket compact machining center
grinders
pared to their previous levels
Developmentof
thermoelectric
gener●
Market thermoelectric power generation that uses waste heat
Promoting the practicalization of thermoelectric generators and launched volCommercialization
ation system and volume-production
ume-production of self-supported power supply modules
from plants
of modules● Promote reuse and recycling through3. Promote reuse and recycling● Enhanced QCD through increased site-to-site sharing of remanufacturing engifurther improvements in recycling-reneering information
Promote and expand the Reman ●lated technologies for parts
Implemented the concept of remanufacturing into general construction machinery ●Expand and promote the remanufacturing ( Reman ) business business
Stimulate reuse and recycling worldcomponents
and improve recyclability rate
wide by expanding Reman bases to● Opened a remanufacturing center in Myanmar
accommodate demands

Manufacturing
Implementation policies

Objectives for FY2015

Results for FY2015

Medium- and long-term objectives

1. Mitigation of climate change (energy conservation)
Make a 54% improvement by FY2015 in the amount of CO2 An improvement of 54% com- ● Improved 42.7% from the FY2000 level (5.8 point reduction compared to the Achieve a 57% reduction by FY2020
emissions per unit of manufacturing value compared to the pared to FY2000
previous year)
compared to the FY2000 levels
FY2000 level at the Komatsu Group manufacturing facilities inJapan
Make a 41% improvement by FY2015 in the amount of CO2
emissions per unit of manufacturing value compared to the An improvement of 41% in FY ● Improved 33.2% compared to FY 2005 (0.2 point improvement compared to the Achieve a 32% reduction by FY2020
previous year)
compared to the FY2010 levels
FY2005 level at the Komatsu Group manufacturing facilities 2015 compared to FY2005
outside Japan
2. Effective utilization of resources
Continue a recycling rate of 99.5% by
Maintain or make further progress in attaining 99.5% or greater Attain a recycling rate of 99.5% or ● Attained a recycling rate of 99.7% across the Komatsu Group (Japan)
FY2020recyclability rate by FY2015 (improvement towards zero emis- greater
sions)(Komatsu Group manufacturing facilities in Japan)
Maintain or make further progress in attaining 95% or greater
Continue a recycling rate of 95% by
Attain a recycling rate of 95% or ●Attained a recycling rate of 93.8% across the Komatsu Group (overseas)
recyclability rate by FY2015 (Komatsu Group manufacturing greater by FY2015
FY2020facilities outside Japan)
Achieve a reduction of more than 20% by FY2015 in the
Achieveda50.7%
reduction
intheamountofwaste
generated
per
unit
of
manufacamount of waste generated per unit of manufacturing value Improve 1% over the previous
Achieve a 10% reduction by FY2020
turing value compared to the FY2005 level (improvement of 8 point compared tocompared to the FY2010 levelcompared to the FY2005 level (Komatsu Group manufacturing fiscal year
the previous year)
facilities in Japan)● Achieved a 67.5% reduction in the amount of water used per unit of manufacturAchieve a reduction of more than 50% by FY2015 in the amount
Improve 3% over the previous
Achieve a 40% reduction in FY2020
ing value compared to the FY2005 level (improvement of 4.2 point compared toof water used per unit of manufacturing value compared to fiscal year
compared to the FY2010 level
the previous year)
FY2005 (Komatsu Group manufacturing facilities in Japan)

7

Environmental Report Digest 2016

Implementation policies
3. Environmental risk management
Implement voluntary reductions in the release of chemical
substances including volatile organic compounds ( VOCs ),which constitute the majority of chemical substances
released
Undertake soil and groundwater remediation (KomatsuGroup manufacturing facilities in Japan)
Sequentially address each underground tank that has been in
operation for 20 years or more (Komatsu Group manufacturing facilities in Japan)
4. Other
Improve greenery rate by 20% or greater by FY2015 acrossthe Komatsu Group. (Komatsu Group manufacturing
facilities)

Objectives for FY2015

Results for FY2015

Medium- and long-term objectives

Establish a control system forchemical substances and reduce ● Accomplished a 57.5% reduction in the amount of VOCs released per unit of Achieve a 50% reduction compared to
the FY2005 level
the amount of released chemical manufacturing value over the FY2005 level
substances
Continue the cleanup●

In progressComplete the cleanup work

No applicable underground tanks●

No applicable underground tanks

Sequentially address each undergroundtank that has been in operation for 20
years or more

Greenery Rate 20% or greater●

Komatsu Group achieved a total rate of 20.2%

Continue the Greenery Rate 20% or
greater●

Procurement and Logistics
Implementation policies

Objectives for FY2015

Results for FY2015

Medium- and long-term objectives

Provide guidance and support toWithin three years, have newly admitted
1. Green procurement
member companies of theKomatsu Midori-kai admission comPromote improvements at suppliers through the establishment Komatsu Midori-kai for acquiring All subject companies acquired certification for a total of 164 certified companies, pany
masters
attestationofof environmental management systems ( EMSs ) and by integrated certification of their envi- and are promoting environmental management activities
environmental management systems
specifying matters that require environmental considerationronmental management systems(ISO 14001, Eco-stage, etc.)
Reduce the basic unit of CO2 emissions
2. Environmental conservation in logistics● Reduced the basic unit of CO emissions from 26.3 to 21.4 kg-CO /ton, down

2
2
(kg-CO2/ton) from the shipment of pre18.6% from its FY2006 level, but it was short of the goal.
defined products and parts by 32%
Increased in the ratio of domestic vessel usage for the Tohoku region sincecompared to its FY2006 level by 2020
Reduce CO2 emissions per unit of cargo weight generated Improve CO2 emission per cargo FY2011, and also in the ratio of railway usage, one prioritized area of improve- as
a new mid-term objective for FY2020
through shipping of products and components (Komatsu weight (kg-CO2/ton) by 27% com- ment, since FY2014. Given a further 1.5% increase, the goal could have been (tertiary plan). Apply this plan until a 27%
attained, but the basic unit has increased 9.4% compared to the previous year
manufacturing facilities in Japan) (in the scope of revised Law pared to FY2006 levels
reduction is achieved in the secondary
under the influence of a worsening logistics environment in FY2015, that is, anconcerning the Rational Use of Energy of Japan)
plan, after which switch to the tertiary
increased distance per shipment (up 3.8%) and a reduction in the cargo weightplan (14 Komatsu logistics facilities inper shipment (down 11.2%) due to a narrowing volume of large-size machinery.
Japan).
Continue to promote modal shifts.
● The total modal shift rate in FY2015 was 29.7% (+13.5% compared to FY2006:
Switch from long-distance trucking to+5.8% by railway, +7.7% by domestic vessels)
domestic vessel shipment through● By proactively increasing the usage of domestic vessels in place of long-distancemodal shifts, enhancing the transportaPromote modal shifts in shipping trucking to the north-east, which increased due to the Great Eastern Japantion of products manufactured at Tochigi
from trucks to domestic vessels or Earthquake Disaster after FY 2011. A higher rate of railway transport has been
Plant to Shikoku and Kyushu on a priorrail
pursued as a prioritized area of improvement since FY2013.
ity basis. Expand rail usage for Oyama,● Ratio of modal shift since FY2014: 29.1% ⇒ 29.7% (up 0.6%)
Koriyama and Awazu Plant compo⇒(Ratio of modal shift over transport distances of 500 km or longer: 49.2%
nents: engines, hydraulic equipment,
49.1% (-0.1%))
transmission, etc.
Shift to means of shipping with low environmental impact
Set new mid-term objectives for
FY2020.
● Forklifts used for in-plant logistic purposes have been shifted to hybrid and batReplace engine-powered forklifts rated
tery-powered models to lessen their environmental impact. In FY2015, the ratio of
at 3 tons or less with new Komatsu batthe number of hybrid and battery-powered forklifts rose to 51.5%, up 32.1%
tery-powered forklifts to boost the ratio
compared to its FY2006 level, after efforts to drive the installation of new Komatsu
Shift to battery powered forkliftsof the number of battery-powered forkbattery-powered forklifts in each plant.
lifts to 75% or above in a continuing bid(Ratio of the number of battery-powered forklifts: 46.1% in FY2014 ⇒ 51.5%
to cut environmental burdens. Aim to(+5.4%) in FY2015)
migrate all of forklifts rated at 3 tons orless to battery-powered models.
Set new mid-term objectives for
Reduction
in
the
usage
of
wooden/FY2020.
● Efforts continued into FY2015 to cut packaging material requirements, mainly
Measures for protecting biodiversity and reduction in wood
Improve the basic unit by 20% or moreused in packaging containers (Avoid excessive logging of trees cardboard packaging containers
wooden materials, with a view to protect biodiversity.
Reduce the basic unit of usage percompared to FY2010.
and the risks of immigration and emigration of nonnative spe- cargo weight (kg-CO /ton) by 10% Amount of wood/cardboard used inFY2015: 4,692 tons
Continue cutting the basic unit of usage
2
Achievedareductionby
24.8%
comparedto
FY2010cies in wood)compared to FY2010
of wooden/cardboard packaging per
cargo weight.
Proceed with further improvement
efforts to achieve zero procurement of● Expanding scope of returnable general-purpose wooden packaging container new packaging materials as a prioritizedusage, which had been pursued on a priority basis, has helped cut wooden pack- area of improvement.
aging requirements.
Continue improvement in the returnabilStrive to eliminate the procurement of new wrapping materials Promote the returnability of pack- The ratios of prioritized improvement parts returnability have improved compared ity ratio of containers designated foraging containers
to their FY2010 levels as follows:
CKD parts.
through promotion of returnable packaging containers.
-Ratio of packaging case returnability for spares: 6.0％ ⇒ 52.1％ (+46.1％)
Further improve the returnable rate of-Ratio of general-purpose packaging case returnability for CKD parts: 33.1％ ⇒ general-purpose containers for CKD/
54.9％ (+21.8％)
spare parts.
Pursue returnability of item-packaging
inner cases for spares as well.
Prioritized improvement activities cometo completion as upsized transportation
Increase the size of shipped units ● Ratio of CKD plant vanning: 99.4% ⇒ 99.8% (+0.4%).
units resulting from an expanding scope
Drive better transport efficiency● Ratio of spares plant vanning: 99.3% ⇒ 99.2% (-0.1%).
to large lotsof containerized transportation havereached a predefined management
maintenance and management level.
● Exportation of construction machinery manufactured at Awazu Plant
Kanazawa Port utilization for exportation of construction machinery manufactured Continue reducing transportation disat Awazu Plant for FY2015: 44.6% (up 30.1% compared to the 2006 level, attain- tance by utilizing near-by ports.
ing 50% of the mid-term goal)
A target usage rate has been achieved● Exportation of presses manufactured at Kanazawa Plant
for Hitachinaka Port. It will be mainContinue improving to reduce the
Kanazawa Port utilization for exportation of presses manufactured at Kanazawa tained and managed at 95% at leastdistance per shipment by utilizing
Cut transportation distances
Plant for FY2015: 59% (quantity basis), 91.4% (weight basis). Kanazawa port from now on.
nearby ports
utilization for FY2015 rose 15% compared to the previous year level after modifi- Target usage rate (products) for
cations to medium-sized presses, advancing to 83%.
Kanazawa Port: Set a new mid-term● Exportation of construction machinery manufactured at Ibaraki Plant
objective of 57% for FY2020 in pursuit
Hitachinaka Port utilization for FY2015 was 97.0% against the mid-term goal of of higher usage.
95%, attaining and keeping up the mid-term plan.
● Implementation of monthly tracking of data for CO produced by shipment in 10
2major plants in the Americas (2 in US, 1 in Brazil), EU (1 in UK, 1 in Germany)
From 2011
Committed to the 2020 mid-term goal
China (3), and Asia (1 in Indonesia, 1 in Thailand).
● Implement environmental conservation activities in global The basic unit of CO2 emissions ● FY2015 status of the basic unit of CO emissions per cargo weightof improving the basic unit of CO2 emis2
per cargo weight (kg-CO2/ton) has
Up 2.6% compared to the FY2011 level, short of the goal (worsened) and up sions per cargo weight in the logistics oflogistics (both national and international)
improved 8% compared to its● Improve CO emission per cargo weight of shipping prod+2.5% compared to the previous year level. The basic unit of CO2 emissions has products and parts by 13% (10 major
2
FY2011 level.
worsened worsened from 56.5 to 57.9 (kg-CO2/ton) after increases in trucking overseas Komatsu Group Plants).
ucts and parts. (10 major overseas plants)
distance caused by shipment destination changes (trucking distance per transaction up 6.4%, from 640 to 680 (km/transaction)).
●

Sales and After-sales Services
Implementation policies
Encourage Komatsu Group sales agencies and rental companies in Japan to reduce their environmental impact

Objectives for FY2015
Enhance awareness of the environment through education and training
based on the Group s environmental
guidelines●

Results for FY2015

Medium- and long-term
objectives

Carried out activities for improvement through guidance provided duringonsite visits to total 57 sites§·Regularly issued the Safety and Environment
Newsletter (24 editions published yearly)

Support environmental risk reduction
activities by Komatsu Group sales
agencies and rental companies inJapan based on the Group s environmental guidelines

Environmental Report Digest 20168

Pursuing Environmental Management
CO2 Emissions by Scope

Relationship between Business Activities
and the Environment
The Komatsu Group procures various parts and materials and,through the manufacturing process, utilizes the earth s resources,
including raw materials, water, energy, and chemical substances,among others, to provide products to customers. Such businessactivities have the potential to impact the environment at eachstage in the process.
The Komatsu Group will continue to provide high value-added
products and services while assessing the environmental impacts
resulting from its business activities, formulating medium- andlong-term objectives, and introducing measures to reduce suchimpacts.

Scope1: CO2 emitted directly by
manufacturing facilities

Scope2: CO2 emitted indirectly by
manufacturing facilities（by using generators, boilers, etc.）（by purchasing electricity, steam and hot water）

（kt）
80
70
61.7
60
50
40
30
20
10
0
Japan

（kt）
160
140
120 106.5
100
80
60
40
20
0
Japan

11.9

8.9

8.3

Asia

The
Europeexcluding Americas( Japan )

103.3

20.3

9.5

Asia

The
Europeexcluding Americas( Japan )EnergyEnvironmental Impact Resulting from Business Activities of KomatsuGroup Companies, including Facilities outside Japan (FY2015)

Electricity
Heavy oil A
Kerosene
Light oil
Natural gas
LPG
Gasoline
LNG
Steam
Other

Direct Materials
Steel

Input

770,000t

Indirect Materials
PaintsLubricants

Development
Ecology & Economy
LCA design● Medium-term targets
for development of environmental technology●

965t * 1
13,048kℓ* 1

Procurement of Materials●

554GWh7,000kℓ
3,000kℓ
7,000kℓ
12million Nm3
5kt
400kℓ
5,000Nm3
10kt
4GWh

Water Resources
Groundwater
2.3million m3
Industrial water 0.1million m3
Supply water
0.8million m3

Manufacturing (32 Komatsu Group Manufacturing Facilities in and outside Japan)
Mitigation of climate change (energy conservation)
Effective utilization of resources (zero emissions)● Environmental risk management● Elimination of hazardous chemical substances*1● Termination of use of organic chlorinatedcleaning solvents* 2●

Green procurement●●

Product
Product weight(construction, mining andIndustrial equipment)

805kt
Number of products(construction, mining andIndustrial equipment)

Environmental Risks (Air, soil, and groundwater pollution)
2
Measures for underground oil tanks
0units *2
Storage for PCB transformers
68units *2
Groundwater observation wells 114wells *Company on-site landfills

Output

Waste

Atmospheric Discharges
CO 2
330kt-CO 2 * 5
SO X
11t
NO X
152t* 2
Substances under the PRTR Law
387t* 258kt

Hazardous waste manifests
Use in otherindustrial
sectors

ClosedTotal amount generated 61kt
Substances under the Pollutant Release
and Transfer Register (PRTR) Law 64t* 2（Waste furnaces
All removed）

Waste Recycling
Recycling amount

Waste Disposal
Waste materials disposed by subcontractor 3kt(Company on-site disposal of waste materials 0t)

47,948vehicles

Noise andvibration

Water-based Discharges
Wastewater
2.7million m 3 * 2
BOD emissions
6t* 2
COD emissions
9t* 2
Substances under the PRTR Law (public water areas)
0.0t* 2
Substances under the PRTR Law (sewerage)
0.0t* 2CO 2 emissions: Calculated by multiplying the electric power, heavy oil, etc. consumed (see Energy section of Input column) by the CO 2 emission coefficient(according to the Greenhouse Gas Emissions Calculation - Reporting Manual of the Ministry of the Environment based on the Act on Promotion of Global
Warming Countermeasures) (Domestic electricity emission factor is 0.384kg/kWh.)SOx emissions: Calculated by multiplying the density and the S content by percentage (based on element tables of suppliers) by the amounts of heavy oil,kerosene, light oil, and coke used.
NOx emissions: Calculated by multiplying the nitrogen oxide emissions units (obtained at each Komatsu facility) by the amounts of heavy oil, kerosene, lightoil, natural gas, and LPG used.
Emissions and transfer of substances covered by the PRTR Law: Calculated by the content ratio of specific chemical substances contained in indirectmaterials multiplied by the discharge or transfer rate. This calculation is based on the PRTR Law, which was designed to mandate the disclosure of theamount of specific chemical substances released into the environment to promote the management of such substances.

9

Environmental Report Digest 2016

Environmental Impact Indicators by Region

EnergyWater Resources

CO2（million GJ）
5（million m ）
4

（kt）
200

4

3

3.7

3

3
1.7

2

0.8

1
0

Japan

(

Asia

)

excluding
Japan

0.4

100

1

50

0.51
Japan

(

Asia

0.08

)

excluding
Japan

0.05
The
EuropeAmericas0

Disposal amount
Recycled amount

（kt）
30

168.2

150

2.58

2

0

The
EuropeAmericas

Waste

1.9

0.6

20

115.2

0.1
29.2
Japan

10
17.8
0

Asia

The
Europeexcluding Americas( Japan )

Japan

19.9

18.5

12.7

0.4
6.9

(

Asia

)

excluding
Japan

The
EuropeAmericas

Note:

Komatsu has begun to include partsof overseas data to
the amount energy
used and emissions
by logistics.
EnergyLight oil 21,167kℓ

EnergyPackagingElectricity
Kerosene

Steel
1,409t* 3
Resins46t* 3Wood, cardboard
4,692t* 3

Komatsu Group Logistics
Logistics( 25Facilities
in and outside Japan )CO 2 reductions in logistics
Improvement of transport
efficiency● Improvement of packing
materials●●

16.5GWh* 4
600kℓ* 4etc.

EnergyFuelEnergyIndirect Materials, Oils

Indirect Materials, Oils

Sales and After-sales Services

Fuel, electricity

Use

Provision of environmentall y - f r i e n d l y p ro d u c t s a n dservices● Creation and operation of
atransaction network for
usedcomponents (parts)

Recovery and Disassembly

Reduction of environmental impact during
the product usage stage● Provision of solutions
for customers environmental activities● Promotion of fuel-efficient operation

●

●

●

Promotion of Reman,in which used components (parts) are recovered, remanufactured,and supplied back to
the market

Reuse of products
Reuse of parts
Recycling of materials(outsourcing)Atmospheric Discharges
CO 2
62.1kt-CO 2

Atmospheric Discharges
CO2
8.5kt-CO2 *4

Returnable
pallets

Atmospheric Discharges
CO 2 14,935kt-CO 2
NO X , diesel particulate matter

Waste oilproducts

Recycling conducted
at oil manufacturers

Atmospheric Discharges
CO 2

Noise andvibration

Use in otherindustrial sectors

Scope of energy and CO2 data of logistics● Komatsu (parent company) facilities, specifically the following fourteen plants

The Awazu Plant, the Osaka Plant, the Rokko Plant, the Ibaraki Plant, the Tochigi Plant, the Kanazawa Plant, the Shonan Plant, the Oyama Plant, the Koriyma Plant, and Komatsu Logistics Corp (Parts Logistics Division) (The Kanto Parts Distribution Center, the Kansai Parts
Distribution Center, the Awazu Parts Distribution Center, the Hokkaido Parts Distribution Center, the Kyusyu Parts Distribution Center）.

● Komatsu Group manufacturing facilities in Japan, specifically the above fourteen plants and the following one busi-

ness unit

Komatsu Castex Ltd.

● Komatsu Group manufacturing facilities outside Japan, specifically the following ten plants

Hazardous waste manifests

Komatsu America Corp.,[Chattanooga Manufacturing Operation], [Peoria Manufacturing Operation], Komatsu do Brasil Ltda., Komatsu
UK Ltd., Komatsu Mining Germany GmbH, Komatsu Shantui Construction Machinery Co., Ltd., Komatsu (Changzhou) Construction
Machinery Corporation, Komatsu (Changzhou) Foundry Corp., Komatsu (Shandong) Construction Machinery Corp, PT Komatsu
Indonesia Tbk, Bangkok Komatsu Co., Ltd..

Waste
disposal

Coverage of Data
*1: 8 Komatsu manufacturing facilities inJapan*2: 12 Komatsu Group manufacturing facilities in Japan*3: Logistics of business sites in Japan
However, this excludes data from the
Awazu Distribution Center, Hokkaido
Parts Distribution Center, and Kyushu
Parts Distribution Center*4: Sales agencies and rental companies inJapan(Komatsu
Construction
Equipment Sales and Service Japan
Ltd., Komatsu Rental Ltd. and Komatsu
Forklift Japan Ltd.) were added*5: Including the usage of forklifts in thepremises of a factory

Environmental Report Digest 201610

Pursuing Environmental Management
Organizational Chart of the Environmental Management Structure
Board of Directors
The highest executive body to consider
top-priority matters and make decisions on
management policies of the Komatsu Group.

: Person in charge of environmental
management

President and CEO
Strategy Review Committee

Research and development divisions
Corporate level control division(Environmental Affairs Department)

Sales and after-sales services divisions

The executive body to study and review basic policies, plans, and strategies, hold deliberations involved in top-priority corporate
affairs, and present these to the Board of
Directors. This committee consists of thestanding executive directors.

Earth Environment Committee
This committee has ultimate authority for approving Komatsu s environmental conservation measures. Its meetings are held biannually. Its mission includes formulating specificenvironmental action plans based on the
Guidelines for Corporate Activity of theKomatsu Earth Environment Charter and determining Komatsu Group s overall direction
in environmental conservation. Chaired by an
executive officer in charge of environmental
management, it consists of executive officers
responsible for individual divisions.

Global Safety and Environmental
Affairs Meeting
Chaired by an executive officer in charge ofenvironmental management, this meeting is
attended by officers responsible for safety
and environmental management in Komatsu
manufacturing facilities both in and outside
Japan. Meeting every two years as a rule, it
provides a platform to implement policies
and measures formulated by the Earth Environment Committee and to exchange information related to environmental conservation worldwide.

Manufacturing divisions
Business units
Affiliated companies
Manufacturing facilities outside Japan

Development
Development Meeting
Manufacturing
Manufacturing Technology Meeting

Environment Technology Working Groups
Environment Management Personnel
Liaison Council
Utility Sectional Committee

Logistics Planning Meeting

Logistics Manager Liaison Council

Manufacturing Facility Environment
Management Committee

Environment Promotion Team

Procurement Division
Procurement Meeting

Procurement Control Manager Meeting

Sales and after-sales service
Komatsu Japanese Dealer Meeting

Liaison Council (After-sales service divisionin Japan)
Liaison Council (Rental division in Japan)

Affiliated Companies
Environmental Management Conference
Environmental Management Conference
for Manufacturing Facilities outside Japan

Acquiring ISO14001
Komatsu has implemented a Group-wide initiative to acquire
ISO14001 certification, an international standard for environmental
management systems. The objective is to enhance management
quality by strengthening systematic steps towards environmental
conservation.
Since 1997, several manufacturing facilities both inside Japanand abroad received certification. In FY2005, the four plants
belonging to Komatsu Ltd. (the parent company), the Awazu,
Osaka, Mooka, and Oyama Plants, acquired integrated certification. As the second step, in FY2007 Komatsu added its majoraffiliates in Japan and yet-to-be-certified non-manufacturing facilities – notably the Head Office – to the above four plants, withintegrated certification attained by the Group in Japan in May 2008.
Upon completing the March 2012 recertification, the KOMATSU
Way Global Institute and Komatsu NTC Ltd. were included in the
integrated certification. The Group conducted the recertification
qualification again in March 2015, and will continue to work on
improving the quality of management in Japan.

11

Environmental Report Digest 2016

In FY2013 Komatsu(Shandong) Construction Machinery Corp. , Komatsu
Manufacturing Rus. LLC , andHensley Lingfeng Co., Ltd(China) acquired certification,and in FY2014 Cabtec(Thailand) acquired certification as well.
In FY2015, Yida Nippei
Tool Corporation (YNC) alsoacquired certification andwe were able to achieve thegoal of having 100% of ouroverseas production facilities certified.
ISO14001 Integrated Certification

Environmental Inspection

Environmental Inspection of affiliate companies
in Thailand
Since 2010, we havebeen conducting compliance risk inspectionsof our overseas affiliatecompanies.
In 2015, we conducted an inspection of BKC
in Thailand. Komatsu s
corporate headquarters
department created aEnvironmental Inspection at BKC
check sheet based on
the local environmental laws, and with the support of the person in
charge of environmental matters for the main plant(KCX) in Japan,
we conducted an inspection of the conditions of environmental activities and the compliance to legal regulations. In this way, we areworking to reduce the environmental risks and improve the level ofthe on-site person in charge of environmental issues and of theauditor.
We will continue to do follow-ups to the inspection as well as
conduct environmental inspections of affiliate companies in otherregions.
Past Environment Inspections
2007

China

2008

―

2009

Thailand and Indonesia

2010

India

2011

Brazil

2012

Russia and Czech Republic

2013

United States

2014

United States and Brazil

2015

Thailand

Promoting Environmental Activities at Group
Sales and Rental Agencies

Setting Mid- and Long-Term Objectives
While long-term objectives for CO2 reduction was being set for
the world at COP21 in 2015, in order to contribute to the climatechange measures as Komatsu, we set medium- and long-term
objectives (2020, 2030) and determined to begin in FY2016 totake action based on these objectives.
In looking at CO2 generated in the life cycle of construction
equipment products, we found that CO2 emissions during construction equipment use makes up approximately 90% of total
emissions. Therefore, this time we are working on reducing CO2
emissions over the entire life cycle of construction equipment,
and have set fuel efficiency goals for construction equipment
products that are to be achieved by 2030.
In terms of CO2 reduction for domestic production̶considering
the electricity situation that resulted from the Great Eastern Japan
Earthquake in 2011̶we have set increasingly stringent objectives. Also, for production, in addition to the targets set for CO2
reduction, we set targets for our domestic and overseas factories
regarding the amounts of waste generated and the amounts ofwater input, in order to promote efficient use of resources. And weset medium-term targets up to 2030 for CO2 in logistics.
Area Object

Application

Base
Year

New Objectives(Reduction Rate)
2020年

2030年

Improvement rate per
2000
unit of production

57％

65％

Overseas

Improvement rate per2010
unit of production

32％

40％

Japan

Improvement rate per2010
unit of production

10％

20％

Overseas

Improvement rate per2010
unit of production

10％

20％

Japan

Improvement rate per2010
unit of production

40％

50％

Overseas

Improvement rate per2010
unit of production

10％

20％

Japan

Improvement rate per
2006
unit of logistics

32％

39％

Overseas

Improvement rate per
2011
unit of logistics

13％

22％

40％

45％

20％

25％

Waste

Water

Logistics

CO2

Construction
Machinery Products

HybridHydraulic
Excavator
CO2

Index

Japan
CO2
Production

Komatsu supports theenvironmental activities
of forklift sales agencies
as well as construction
machinery and rental
companies through education and guidance.
The Environmental
Guide lines for Sales
Agencies deployed forEnvironment Education for Dealer
sales and rental agenAssociation New Employee Education
cies comprises ofguidelines and standards pertaining to environmental issues that areof direct relevance to operations at sales agencies and rental companies (such as waste treatment, waste-oil treatment, oil-and-grease
management, and treatment of wastewater from vehicle washing).
Komatsu works jointly with their counterparts at various companies by visiting the sites of various sales agencies and rental
companies to ensure compliance with the Environmental Guidelines
for Sales Agencies as well as inspecting sites, realities, andactual products to implement support activities such as supervising the sites and proposing remedial actions that are tailoredto each location (implemented at a total of 57 locations in

FY2015). Also, the Safety and Environment Newsletter , published for the purpose of providing information related toenvironment for sales agencies and rental companies, reachedits 10th anniversary of publication in 2015 (first issue released in
November 2005) and has been effective in raising awarenesslevels at the sales points.
Furthermore, we are implementing a waste management
system at the sales agencies in order to promote appropriate
management of industrial waste. In addition to management of
the electronic manifest, by managing disposal service contract
and permits in a unified system, we are working on decreasing
the number of man-hours used, as well as providing a centralized, effective waste management.
Komatsu Construction Equipment Sales has already put thesystem in place, and we are planning to gradually introduce thissystem in the other sales and rental agencies.
As a result of the above activities, environmental awareness ishigher at sales agencies and rental companies, leading to various
improvement activities.

NormalHydraulic
Excavator(non-hybrid)

Fuel Consumption
Reduction Rate

2007

Environmental Report Digest 201612

Pursuing Environmental Management
Amount of CO2 Emissions Data by Scope 3

Amount of CO2 Emmissions by Scope 3

（％）

Rate

Summary Date（t-CO2）

Scope3 (11) Customer Use

87.9

14,935

Scope3 (1) Manufacturing of Purchasable Goods

10.3

1,749

Scope3 (2) Capital Goods Construction and others

0.6

101

Scope3 (3) Fuel Procurement

0.4

71

Scope3 (4) Upstream Transportation disposal

0.1

15

Category

From actual data gathered by KOMTRAX, Komatsu has gained
perspective on the amount of CO2 emissions (Scope 3 Category11) produced by our products manufactured in FY2015 in operation world-wide.
The calculation was performed as follows.

Scope3 (5) Waste Transportation

0.0

6[Calculation of Emissions from Customer Use]

Scope3 (6) Business Trips

0.2

26

(1) Calculate the following by each model

Scope3 (7) Commuting

0.1

17

Scope3 (8) Upstream Leased Assets Operation

0.0

0

Scope3 (9) Downstream Transportation

0.2

37

Scope3 (10) Processing Sold Products

0.00

Scope3 (12) Product disposal

0.2

39

(2) Calculated for each model in (1) above, Total
these values

Scope3 (13) Downstream Leased Assets Operation――

Scope3 (14) Franchise Member Companies

0.00*For models available to collect fuel consumption, KOMTRAX collected the actual values of fuel consumption
and operating time from representative models of eachsize. We back calculated data from development forother models.

Scope3 (15) Investment Management

0.0

0

Total CO2 Emission Amount (t-CO2/year)

100.0

16,995CO2 emissions over the life of each model= (FY2015 Production Volume)×(Fuel Consumption; L/kWh)× (Engine Output; kW)× (Engine Life; as product life; h)× (CO2 Conversion Factor)

For others, including the 14 remaining categories, the general
CO2 emissions was calculated. The result is shown in the pie
chart below.
Scope3⑪
Customer Use
Scope3①
Manufacturing of Purchasable Goods
Scope3②
Capitol Goods Construction and others
Scope3③
Fuel Procurement
Scope3④
Upstream Transportation
Scope3⑤
Waste Transportation and disposal

Total CO2
Emission Amount17.0 million
t-CO2/year- Although it is calculating in the total range of domestic and an overseas incalculation of each category, the category (4) and (5) is calculating only domestic data. The category (13) is included in category (11). Moreover, presumptionof a category (3) goes into overseas data in part.

As evident from the results above, emissions during productuse makes up approximately 90% of total emissions.
From this, we can see that fuel-efficient products have a significant effect on reducing CO2 emissions.
Komatsu is committed to developing hybrid construction
machinery (improving fuel efficiency by 25%) and DANTOTSU
products (over 10% improvement in fuel efficiency) and accelerating the pace of the ICT-based SMART CONSTRUCTION.
In addition, the result of the understanding in the LCA*1 (Life
Cycle Assessment) is the pie chart below.
≪Reference≫

Pie Chart of Scope1, 2, 3
Scope 1

Scope 2

（kt-CO2）
35,00030,000

Scope1
28,97325,000

Scope2
26,305
22,135

16,9952014

2015

20,000

Scope3⑪
Customer Use
Scope3①
Manufacturing of Purchasable Goods
Scope3②
Capitol Goods Construction and others
Scope3③
Fuel Procurement
Scope3④
Upstream Transportation

Total CO2
Emission Amount17.3 million
t-CO2/year

15,00010,000
5,000
0

2012
Scope3⑪ Customer Use

2013

（FY）

Scope3① Manufacturing of Purchasable Goods*1: LCA is the environmental impact assessment method for individual products
at each stage, from manufacture, transportation, sale, use, disposal, to reuse*2: Scope1 is direct CO2 emissions by operator (ex: private power generation)*3: Scope2 is indirect CO2 emissions by operator (ex: power purchase)*4: Scope3 is CO2 emissions by operator from supply chain (ex: emissions of
product during operation, emissions from suppliers, transportation, businesstrips and commuting)（kt-CO2）
35,00030,00029,44625,00026,74322,54320,00017,32515,00010,000
5,000
0

2012
Scope1：FuelScope3⑪ Customer Use

13

Environmental Report Digest 2016

2013

2014

2015

（FY）

Scope2：Purchased electricity
Scope3① Manufacturing of Purchasable Goods

Mitigating Climate Change
Mitigating Climate Change throughProducts and Services

Tier4 Final Compliant Models Released
In 2015, Komatsu released one vehicle model after anotherthat greatly reduce nitrogen oxide (NOx) and particulate matter(PM) emissions that meet Japanese (Emissions from Non-Road
Special Motor Vehicles 2014 Standards), North American (EPA
Tier4 Final), and European (EU Stage IV) emissions controls for
Hydraulic Excavators, Bulldozers and Wheel Loaders. Thesemodels are equipped with newly developed next-generationengines that result in construction machinery that are clean andfuel efficient, with excellent durability and reliability.
Below are some examples.
HB335-3Large-Sized Hydraulic Excavator
PC300(LC)-11/PC350(LC)-11

Main Specifications

With Quality and Reliability as the foundation, Komatsu has
pursued ever higher levels of quality in environmental, safety and
ICT aspects, and released the PC300(LC)-11/PC350(LC)-11
model to the market, which meets the Non-Road Special
Vehicles 2014 Standards. Equipped with the newly developednext-generation engine, this model makes further advances inbeing clean and efficient.
Fuel consumption rate has been decreased by approximately
5% compared to the previous model(PC300-10).

Item

Unit

HB335-3

HB335LC-3

HB365-3

HB365LC-3

MachineMass

kg

32,00032,80034,20035,000Net
EngineRated
OutputkW/
min-1

201/1950

201/1950

201/1950

201/1950

Bulldozer

D85EX/PX-18

By incorporating the Komatsu Diesel Particulate Filter (KDPF)
and Selective Catalytic Reduction (SCR), the D85EX-18 significantly reduced the emission of nitrogen oxide (NOx) andparticulate matter (PM) to meet the North American EPA Exhaust
Emission Tier4 Final Regulations (Tier4 Final), the European
Stage IV Exhaust Emission Regulations, and Japan s Emissions
from Non-Road Special Motor Vehicles 2014 Standards.
With the Sigmadozer, operation volume went up by 15% andfuel efficiency increased by 20% through the 5% fuel improvement of the automatic shift transmission and engine.

PC300-11

Main Specifications
Item

Unit

PC300-11

PC300LC-11

PC350-11

PC350LC-11

MachineMass

kg

31,50032,30033,70034,500Net
EngineRated
OutputkW/
min-1

192/1950

192/1950

192/1950

192/1950

Hybrid Hydraulic Excavator
HB335(LC)-3/HB365(LC)-3
For the Hybrid Hydraulic Excavator, the HB335(LC)-3/
HB365(LC)-3 was released as the model which meets the NonRoad Special Vehicle Standards 2014. By using the Fan-Clutch
System and a total computerized control of the engine/hydraulic/hybrid system, we were able to achieve a large reduction in fuelconsumption of approximately 22% compared to the conventional model (PC300-10), without compromising any operational
capabilities.

D85EX-18 Sigmadozer

Main Specifications
Item

Unit

D85-18(North America
Specifications)

Machine Masskg

30,120（EX）/28,550（PX）

Net Engine Rated Output

kW/min-1

197/1900

Environmental Report Digest 201614

Mitigating Climate Change
Wheel Loader

WA380-8 *1

The WA380-8, by incorporating the Komatsu Diesel Particulate
Filter (KDPF) and Selective Catalytic Reduction (SCR), significantly reduced the emission of nitrogen oxide (NOx) andparticulate matter (PM) to meet the North American EPA Exhaust
Emission Tier4 Final Regulations (Tier4 Final), the European
Stage IV Exhaust Emission Regulations, and Japan s Emissions
from Non-Road Special Motor Vehicles 2014 Standards.
Fuel consumption rate decreased by approximately 3% compared to the previous model.

PC128USi-10

Main Specifications
Item

Unit

PC128USi-10

Machine Masskg

13,300Net Engine Rated Output

kW/min-1

69.7/2050

WA380-8*1: For North America, Europe, and Japan

Bulldozer

Main Specifications
Item

Unit

WA380-8(North America
Specifications)

Machine Masskg

18,455Net Engine Rated Output

kW/min-1

142/2100

The ICT Construction Equipment Expansion
SeriesThe SMART CONSTRUCTION initiative unveiled in January
2015 makes use of ICT (Information Communication Technology)
for automatic control of the bulldozer s blade or for semi automatic control of the hydraulic excavator by measuring terrain
data and comparing 3D design data with information on theoperating equipment s location. This dramatically improves theefficiency of construction, which results in reducing the fuel consumption of construction (decrease in CO2 emissions). In-house
testing results show a decrease in fuel consumption of approximately 30% for the ICT Hydraulic Excavator PC200i-10 andapproximately 25% for the ICT Bulldozer D61PXi -23 .
The representative models of ICT construction equipment to
be used in the SMART CONSTRUCTION initiative unveiled in2015 as follows.

ICT Hydraulic Excavator

PC128USi-10 *1

This machine is an ICT Hydraulic Excavator series expansion
model which follows the Medium-sized ICT Hydraulic Excavator
PC200i-10 introduced in October 2014.
This excavator is like the US Series hydraulic excavator withrearward minimum-swing-radius, mounted with the same ICTcomponents as the PC200i-10, and will be the main machine
to introduce computer-aided construction to a broad range of
construction sites such as road construction for small-scale
developments, plumbing construction, and small-scale landdevelopment construction.
*1: For Japan (Introduction starting from Komatsu Rental and Komatsu Group srental companies.)

15

Environmental Report Digest 2016

D65PXi-18

The D65PXi-18, by incorporating the Komatsu Diesel
Particulate Filter (KDPF) and the Selective Catalytic Reduction(SCR), significantly reduced the emission of nitrogen oxide (NOx)and particulate matter (PM) to meet the North American EPA
Exhaust Emission Tier4 Final Regulations (Tier4 Final), theEuropean Stage IV Exhaust Emission Regulations, and Japan s
Emissions from Non-Road Special Motor Vehicles 2014
Standards.
By combining cutting edge ICT and vehicle control technology,
this model is equipped with both the automatic blade control forheavy excavation and land preparation work, and the mapping
display capabilities to verify the work progress.

D65PXi-18

Main Specifications
Item

Unit

D65PXi-18(North America
Specifications)

Machine Masskg

22,600Net Engine Rated Output

kW/min-1

162/1950

productivity and energy efficiency. By equipping this machinewith the Komatsu Fiber Laser Oscillator having high quality laser
beam, it has become possible to achieve a productivity rate with
2kW that is equivalent to previous 3kW rates, which helps users
conserve energy.
We will continue with product development of laser cutting
machines that take the environment into consideration.

Monitor displaying work conditions

Automatic Blade Control
1. When blade load is increased
2. Automatically lift the blade to prevent shoe slip from occurring and control load.
3. Increase in eﬃciency as the machine continuously works with the maximum soil holding capacity.

TLH-415K30FK

Reduction in electricity consumption for cutting(Hot-press Material sheet thickness: 1.2mm, Cutting
Speed: 27m/min)

New Model Battery-Powered Forklift Expansion
Series FE30-1
The FE25-1 , which was introduced to the market in January
2014, is an innovative battery-powered forklift that combines
engine-powered forklift equivalent outdoor capacity (waterproof
and dust-proof qualities) and ease of use (rehydration is unnecessary and it has rapid recharging capabilities, recharging up to
80% over a one-hour lunch break) with the environment-friendliness and economy of a battery-powered forklift.
As an expansion of this series, the FE30-1 was released in
September 2015. This model, with 1/3 the CO2 emission rate*1
compared to the previous diesel engine powered forklift, will
greatly contribute to CO2 reduction. In addition, KOMTRAX
makes visible the battery charge progress and the electricity
consumption, while the large-size color multi-monitor makes it
possible to check environment related information such as theamount of electrical charge and the cumulative amount of CO2
emissions*2.
*1: Comparison with Komatsu s 3t Diesel Engine Powered Forklift based on
in-house calculations.
*2: Cumulative amount of CO2 emissions was calculated using emission coefficient set for conversion.

FE30-1（％）
100

15% reduction

23%
80

20%

60
57%

48%

40
20
20%
0

17%

Previous Model 3kW
Compressor

New Model 2kW
Oscillator, Chiller

Cutting Machine

Gas Consumption Reducing Technology of Excimer
Laser for Semiconductor Lithography Equipment
GIGAPHOTON, Inc., a major manufacturer of light source forsemiconductor lithography equipment, is continuously working
on finding a solution to the supply shortage of rare gases such asneon and helium, a serious concern for the semiconductor
industry.
First, as a solution for neon gas, GIGAPHOTON Inc. developed
eTGM , a technology capable of reducing neon gas consumption by 50%.
Next, as a solution for
helium gas, GIGAPHOTON, Inc. developed
helium-free technology
which will eliminate theconsumption of helium
during operation by replacing helium with nitrogen.
Latest excimer laser GT64A

Market Introduction of the 3D Laser Cutting
Machine TLH-K Series
Komatsu Industries Corporation developed the three dimensional laser cutting machine TKH-K Series with improved
Environmental Report Digest 201616

Mitigating Climate Change
Proportion of renewable energy for electricity self-generation

Initiatives to Mitigate Climate Change
in Business Operations(MWh)50,000

Reducing CO2 Emissions in Manufacturing Operations
As a part of our efforts to mitigate climate change, Komatsu set
more aggressive objectives in FY2013 for the amount of electricity, fuel gas, fuel oil, and other types of energy used in manufacturing
operations, using CO2 emissions per unit of manufacturing value
as the indicator.
In 2010, to contribute to Post Kyoto Protocol climate change
measures, we set a goal that by 2015 we would reduce CO2
emission levels by 40% compared to the levels in 1990. Since
then however, in light of the electricity supply crunch that followed the Great East Japan Earthquake, activities to further
reduce power consumption were started with an ambitious goalof a 54% reduction compared to FY2000 levels.
As a result of the energy-saving activities undertaken̶such as
the establishment and start of high efficiency lines and removal ofold lines, along with the use of renewable energy and the popularization of various production improvements revolving aroundthe Company-wide Power Reduction Project Team establishedin May 2012̶the indicator of CO2 emissions per unit of manufacturing value was reduced by 42.7% compared to FY2000
levels. In addition, the ratio of renewable energy for in-house
power generation was 13.4%, an increase of 1.3 times the previous year s amount.
CO2 emission at Komatsu s overseas manufacturing sites havealso been reduced by 33.2% compared to FY2005 as a result offuel conversion and lateral spread of improvement examples
from Japanese plants.
From FY2016, aiming for the achievement of new mid-termgoals, we will promote the reduction in CO2 emissions index numbers by updating buildings that are over 40 years old to buildingsthat incorporate the newest energy-conserving technology, andby making small but steady improvements on job sites.
CO2 emissions (Japan)
（kt）
400
300

（％）
110

100
239

200

276
72.7

266

73.0

71.7

70.4

100
0

188

265

100
211
68.7

90
201
69.3

191
63.1

168
57.3

80
70
60

2008

2009

2010

2011

2012

2013

2014

40
2015（FY）

Manufacturing value : Total production cost excluding direct material cost,
other facilities’ components, and procured components
Total amount of CO2 emissions of all Komatsu Group manufacturing facilities in Japan
CO2 emission index per unit of manufacturing value
at Komatsu Group manufacturing facilities in Japan (compared to FY2000)

300

（％）

90.3
231

200

280

262
80.4

100
0

110

100
287
82.1
174

315
76.6

77.6

100
257
68.2

237
66.7

90
210
162
67.0

66.8

80
70
60
50

2005

40
2007 2008 2009 2010 2011 2012 2013 2014 2015 (FY)

Basic unit : CO2 emission Index per unit of manufacturing value at each manufacturing facilities,
weighted by ratio of manufacturing value of each site. (compared to FY2005)
CO2 emissions (Komatsu Group manufacturing overseas facilities)
CO2 emission basic unit (compared to FY2005)

17

Environmental Report Digest 2016

10.2

30,0001412
8

20,0006

7.0
10,000
0

16

10

0

0.2

2010

2011

Fossil Fuel
Biomass

4

0.6
2012

2
2013

2014

2015

0
(FY)

Solar (Consumption)
Solar (retail electricity)
Other
Ratio of Renewable Energy

Halving Electricity Usage Project
Halving Electricity Usage ProjectAs part of its continuing effort to reduce environmental burdens
by cutting CO2 emissions, Komatsu has decided to accelerate its
pace of power usage reduction by boosting productivity drastically in anticipation of lingering nationwide power shortages in2012 and after since their outbreaks in the service areas of Tokyo
Electric Power Company, Inc. and Tohoku Electric Power
Company, Inc. in the wake of the Great East Japan Earthquake
in 2011.
Based on the in-depth analysis of electricity usage status sincethen, Komatsu s own domestic manufacturing facilities haveworked towards achieving its new goal of cutting the peak powerusage by 50% compared to its summer 2010 level to reduce
environmental burdens.
Conceptual Approaches to Reducing Electricity Usage
Komatsu is committed to three basic concepts of reducing
electricity usage as follows:(1) Visualize electricity usage to eliminate waste(2) Production reform(3) Use alternative energy sources(1) Activity Results (Domestic Manufacturing Facilities)
In addition to the peak power usage, we were also able toachieve Komatsu s own target of 50% reduction in electricity
usage. Going forward, we will continue with these types of activities, as well as pursue further actions that will lead to even more
electricity usage reduction.
Electricity usage change forecasts
Peak power (MW)
120
100

80

Electric energy (thousand MWh)
700
87

100
100
100

78

98
81

60

CO2 Emissions (Overseas)
(kt)
400

13.4

40,000

50
2000

(%)
18

78
70

40
20
0

100

2010

600
70
72
62

64
67
54

500
58

400

55
49

300
200

92

78

72

64

50

100

2011

2012

2013

2014

2015

0
(FY)

Consolidated electric energy
Consolidated peak power

Non-consolidated electric energy
Non-consolidated peak power(2) Status of electricity usage reductions at a new assembly
shop at Awazu Plant
With impetus mainly from a full launch of biomass power generation scheduled for FY2015, electricity usage reductions at a
new assembly shop at Awazu Plant commissioned into service in2014 was reduced by over 90% as planned.

Saving in electricity purchases at the new assembly plant(in terms of the FY2010 output)(MWh/year)
6,000

35.0%
cut

4,000

90.1%

27.0%
cut

2,000

28.1%

cut from
the FY2010
recordcut

0

FY2010resultEnergysavingProductivity
improvement

Creation

FY2015
resultLower CO2 Emissions for Global Transport(Basic Unit of CO2 Emissions per Cargo Weight: kg-CO2/ton)
In 2011, Komatsu began improving its assessment of CO2
emissions from logistics operations for its 10 major international
business locations.
Combined with the improvements that were started in domestic locations from 2006, we have now implemented improvements
in logistic operations on a globally consolidated basis at all 25
business locations.
Domestic improvements include decreasing transportation distance through efficient use of the Kanazawa and Hitachi Naka
Ports, and the expansion of coastal shipping to handle the long
distance transport to the Tohoku area, which has been increasing since 2011. From FY2014, the expansion of railway use has
been added to priority action items to improve the modal shift
trend. As a result of continuing these initiatives in FY2015, we
achieved a 2.6% improvement in basic units compared to theprevious year. However, domestic CO2 emissions basic units
worsened by 9.4% overall, largely due to an increase in averagetransport distance resulting from the decrease in overseas export
loads and large model loads, as well as the basic unit fluctuation
affected by the decrease in logistics efficiency.
In overseas, the U.S. alone showed a 1.5% improvements inlogistics efficiency in basic units compared to the previous year,
while the overall overseas results showed basic units of CO2
emissions deteriorating by 2.5%, being greatly affected by theload reduction due to the major production decrease in China
and Asia.
Global Shipment CO2 Emissions Volume and CO2 Emissions Per
Cargo Weight

60,000(10Kg-CO2/t)
6.0
5.65 5.53 5.83 5.65 5.79 5.0
2.63

1.98 2.07 1.95 2.14

24,5680

27,7883.0
38,45640,000 34,984
20,0004.0

55,57427,540 25,650

21,993

21,852 25,341 23,347 20,457

2.0
1.0

36,114
24,7160.0-1.0
14,749 -2.0

2006 2012 2013 2014 2015 2011 2012 2013 2014 2015

-3.0
-4.0

Japan Japan Japan Japan Japan Overseas Overseas Overseas Overseas Overseas (FY)

(%)
120
100

Kanazawa Port Usage Rate100

Scope of aggregate
calculation for CO2■ Japan
Komatsu: 14 business sites
Group: 1 business sites■ Overseas
Group: 10 business sites
Group (Overseas)
CO2 emission
Group (Japan)
CO2 emission
Komatsu CO2 emission
CO2 basic unit per
Komatsu cargo weight
CO2 basic unit perinternational cargo weight

CO2 Improvement for Domestic Transport(Increase in Coastal Port Usage Rate)(1) Increase in Kanazawa Port Usage Rate
(Condition of Press Products)
In order to decrease domestic land transport distance, we areworking on improving the usage rate of the local port̶Kanazawa
Port̶for export products produced at the Awazu and Kanazawa

60
40

100
Construction
Equipment Products

83

80

Reduction CO2 Emissions in Logistics(t-CO2)80,000plants in the Hokuriku district.
In addition to the usual construction equipment products produced at the Awazu plant, from FY2014, the press products
produced at the Kanazawa plant are also being managed andimproved by using the Kanazawa Port usage rate as an index.
In FY2015, the Kanazawa Port usage rate for press products
was greatly improved.

68
46
41

Large-size Press
50
45

Medium-size Press
Small-size Press

20
0

2014

2015

(FY)

[Main Improvements]
1) Medium-size Press: Use of RORO ships2) Large-size/Medium-size Press: Use of conventional ship charter by combining loads
3) In September 2015, the full operation of Murphy Service
started for the first time on the Japan Sea side of Honshu, andalso for the first time a large-size RORO ship called at
Kanazawa port. This meant that if the right load size could bearranged, a large-size RORO ships could be used instead of
the conventional ships.
(At the first time port call of the large-size RORO ship 1,700
tons of Komatsu s large-size press was sent out to North
America and Mexico.)Tug Master
Press Units being loaded onboard

MuaphyTrailer
Loading onboard(2) Effects of the Kanazawa Port Usage Rate Improving(compared to FY2014)
1) Reduction in land transport by truck trailer shipment: 350km/
trip (compared to use of Kobe Port)
2) Improvement in Basic Unit of CO2 Emissions per Cargo Weight(kg-CO2/ton): 5.9⇒4.4 (△24.5%)
3) Reduction in Total CO2: △25 (t-CO2/year)
CO2 Improvement in Overseas Transport(Use of Natural Gas Truck/Trailer)
At BKC(Thailand), a part of Komatsu s overseas group companies, the use of low environmental impact transport vehicles
called NGVs (Natural Gas
Vehicle) has become increasingly pervasive, with the NGV
usage rate increasing to 51.1%.
The resulting CO2 reduction hasreached 282t-CO2 cumulatively(FY2012 ~ FY2015).
NGV Truck (Natural Gas Vehicle)

Environmental Report Digest 201618

Promoting Recycling
Promoting the Reman
Remanufacturing BusinessIn our Reman business, the Komatsu Group remanufactures
used engines, transmissions, and other key components (parts)
of construction and mining equipment into remanned components that have the same high quality as newly manufactured
components. We then put these components back on themarket. The Group is promoting the Reman business at 12
Reman Centers around the world.

KRI
KI

KRCC

Engines and Transmissions
Wheel Motors
Oil Pressure Cylinders
Global Reman Factories
Regional Reman Factories
Distributor Rebuild Center
Regional Reman Center

Promoting the Reman Business to the World

Overseas aﬃliates

Reman Factories and Centers map

Reman, an abbreviation for remanufacturing, offers the following advantages to customers:● Quality and performance that is the same as new components● Lower cost for remanned components● Reduced idle time for construction equipment because of
adequate inventory of remanned components● Resource conservation and waste reduction through reuse
and recycling of components.

Providing Reman-related Information
The Komatsu Group has set up Reman-Net as a network for
Komatsu Reman Centers around the world. The Group is actively
using this network to develop Reman operations for reuse andrecycling of components at the global level.
IC tags and two-dimensional bar codes are used to manage
each item s remanufacturing history, and to track quality anddurability information. This important information is reported to
the Group, to help develop components with optimal service life.

As the global center, Komatsu established PT Komatsu Reman
Indonesia (KRI), which supplies parts, such as engines andtransmissions for large-size construction machinery, and PT
Komatsu Indonesia (KI), which supplies hydraulic cylinders.
Komatsu also established another global center, Komatsu
Reman Center Chile (KRCC), which provides components forelectric dump trucks.
Additionally, Komatsu established PT KOMATSU REMANUFACTURING ASIA (KRA) in Indonesia to recycle all componentsof large-size construction machinery exclusively for the Indonesian market. For countries that are not part of our global supply
chains (China, Russia, India and Brazil), we have established individual Reman Centers, and in April 2015 the 12th Reman Center
was established in Myanmar.

Future Steps
To further increase the reuse rate of used components, theKomatsu Group is reducing the number of disposed parts by:● Developing parts for remanufacturing, oversized parts, etc● Developing recycling-related technologies (assessment andmeasurement for reuse, remanufacturing worn-out parts,
cleaning, heat treatment, etc.)
to reduce waste components, and thereby further increase reuse
and recycling activities.
Changes in Reman Sales (base FY2004 = 100)
index(%)
380
360
340
320
300
280
260
240
220
200
180
160
140
120
100
80

The Myanmar (KMM) Reman Center established in April 2015

349
304

239

250

270

200
160

168

137
100

156

112

2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 (FY)Reman Process

191

Inspection upon receipt

7

Assembly

High-pressure cleaning

2

8

3

Performance Testing

Environmental Report Digest 2016

Disassembly

4

9Component inspection

Painting

5

Component cleaning

10 Performance inspection

6 Component remanufacturing

11 Factory shipment

Effective Utilization of Resourcesin Manufacturing Operations (Waste)

Effective Utilization of Resourcesin Manufacturing Operations (Water Resources)

In tandem with reducing the amount of waste produced during
manufacturing operations, Komatsu is working on zero emissions
activities, which is the use of waste materials as resources. Startingin FY2011, we set new mid-term goals for the recycling rate and forthe amount of waste generated per unit in the manufacturing operations in Japan, and we are working toward those goals.
For the manufacturing operations in Japan, the definition of zero
emissions was set at a target recycling rate of above 99.5% toraise the level of recycling. The recycling rate for the manufacturing
operations in Japan for FY2015 was 99.7%, achieving the goal(over 99.5%) ahead of schedule for 5 years in a row.
Also, in terms of the recycling rate, the overseas manufacturing
facilities have also set a mid-term goal of a target rate of over
95%, and have been promoting the effective utilization of wastematerials. The recycle rate for overseas manufacturing facilities
has increased up to 93.7% in FY2015.
For the manufacturing operation in Japan, Komatsu decided toreduce the amount of waste materials generated per unit of manufacturing value in FY2015 by over 20%, compared to the
FY2005 level. As a result of strict adherence to the separation ofwaste materials and increased conversion of waste materials toresources, the amount of waste materials generated per unit has
been reduced by 50.7% compared to the FY2005 level. Startingin FY2016, a goal has also been set for the amount of wastematerials generated per unit of manufacturing value for overseas
manufacturing facilities.
This year, Komatsu will strive to be even more thorough inadhering to the waste materials separation policy and promote
activities that will help achieve its mid-term goals.

In FY2014, Komatsu set a new medium-term target of achieving a 50% or greater reduction in the amount of water used perunit of manufacturing by FY2015, compared to the FY2005
level . An effort has been made to save the consumption ofunderground water at Komatsu facilities located in the Hokuriku
District, which are major users of underground water. The
Company has achieved reductions in the amount of water used
per unit of manufacturing by 67.5% compared to the FY2005
level, through the reuse of water during processing and the elimination of wasteful day-to-day practices.
In particular, Komatsu Cabtec Co., Ltd. eliminated its groundwater consumption̶which was used for cooling̶by installing achiller in every facility.
Komatsu will continue efforts to save water resources toachieve its medium-term goals.

Amount of Waste Generated (Data coverage: Komatsu Ltd.
and the Komatsu Group manufacturing facilities in Japan)(kt/year)
35
30

99.2

100

99.8

99.2

99.0

99.1

61.2

15 29.8

33.0

34.1

29.8

10

99.7

99.6

99.5

61.1

58.7

99.6 99.7

49.3 60
57.3

19.6

19.9

15.9

100
80

66.7

59.4

14.0

5
0

99.0

89.6

95.9

25
20

17.1

15.3

40
12.8 2002005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 (FY)
Index per unit of manufacturing value

Waste disposal amount

Recycling rate

Amount of Waste Generated (Data coverage: The KomatsuGroup manufacturing facilities in overseas)(kt/year)(%)

8085.3 83.3
69.4

74.9

83.6 84.2

100
91.4 93.8
67.7

55.1
45.6

40

0

93.8 84.0

85.6

60

20

82.5 85.1 102.3 97.8

89.8

80
60

48.2

29.0

40

Recycling rate

Total emissions of waste

120
100 98.5

Komatsu Group manufacturing facilities in Japan)(%)(million m3)
12
10

100

120
93.0

89.8

82.4

8

100

87.7
62.7

6

80
54.6

53.6

4

47.1

60
36.7

32.5

40

2

20

0

0
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 (FY)
GroundwaterIndustrial water
Index per unit of manufacturing value

Supply water

(%)

99.2

Recycling rate/Index

Total emissions of waste

40

Amount of Water Resources Used and Index Per Units of
Manufacturing Value (Data coverage: Komatsu Ltd. and theTOPICS
Receiving the Energy Conservation Award(Energy Conservation Case Category)
Chairman Prize of ECCJ
Komatsu Defense Systems Division was awarded the 2015 Energy Conservation
Award (Energy Conservation Case Category) Chairman Prize of Energy
Conservation Center, Japan (ECCJ) sponsored by the ECCJ.
The Energy Conservation Award is awarded once a year for the purpose ofcontributing to the spreading of energy conservation consciousness, promoting
the use of energy conserving products, development of energy conserving
industries and the building of an energy conserving society. This was the firsttime Komatsu won this award.
The theme of this year s award was Improving energy conservation of electricalforge furnaces in forge plants by super-insulation . By super-insulating the electrical heating furnace used in the hot forging process, the consumption ofelectricity was reduced by 23% (reduction amount 590Mwh). By using a thermograph to accurately identify the heat dissipation points of the furnace wall and byworking with the laminate structure of the insulation materials, the insulating
capabilities were significantly increased to efficiently achieve a large decrease inelectricity consumption.
We aim to work towards ever higher levels of achievement by continuously making improvements in the field.

2002005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 (FY)
Amount recycled

Waste disposal amount

Recycling rate

Thermography Measurements

Award Ceremony

Environmental Report Digest 201620

Biodiversity
Initiatives that Deal with Biodiversity
Komatsu will maintain our commitment to protecting biodiversity in our business activities, recognizing the impact of those
activities on the ecosystem.

Initiatives that Deal with Biodiversity
With the establishment of Komatsu s Declaration of Biodiversity
and Biodiversity Guideline in January 2011, Komatsu business
units worldwide began activities designed to preserve biodiversity.
Komatsu promotes initiatives to preserve biodiversity on twolevels.
First, the Company continues to promote ongoing efforts to
reduce the environmental impact of Komatsu s business activities. Komatsu also considers biodiversity when deciding how
land is to be used, such as when building factories.
Second, Komatsu is becoming directly involved in the preservation of biodiversity, and at the same time expanding our
one-site, one-theme activities to raise employee s awarenessof the need to preserve local ecosystems.

Initiatives of Each Business Facility
Komatsu Osaka Plant:
Osaka Biodiversity Partner Agreement

On March 15, 2016, the Osaka Plant̶one of Komatsu s majordomestic plants̶entered into the Osaka Biodiversity Partner
Agreement with Osaka Prefecture, Osaka Prefecture University,
Osaka Prefecture Research Institute of Environment, Agriculture
and Fisheries, and Hirakata City.
Based on this agreement, each partner takes a role in promoting the building of an ecological network through the managementof the green space within the Osaka Plant premises (Komatsu
Satoyama) that takes biodiversity into consideration. Furthermore,by using it (Komatsu Satoyama) as a field for nature observationgroups for citizens, a ripple effect of contributing to the community and increased awareness of biodiversity can be expected.
The Komatsu Satoyama of Osaka Plant is 1,500 m2 and ismade up of a biotope pond and a community forest where Pin
Oak and Sawtooth Oaktrees that were planted
when plant construction
was completed grow tallabove the forest floor.
There are also rare species of aquatic plants
growing in the pond andthe number of spot-billed
ducks is increasing every
Osaka Plant Komatsu Satoyama
year.
Photograph by Teruyoshi Fukuzawa

Initiatives for Biodiversity in Logistics(Reduction in wood and cardboard packing
materials (domestic))
When biodiversity was added to the Komatsu EarthEnvironment Charter in 2010, the logistics department started
improvement activities, with the reduction of wood and cardboard packing materials being the main focus, based on theperspective of forestry conservation.
FY2015 Improvement Target: Basic unit of packing material
used per cargo weight (kg/ton) Compared to FY2010 △10%

21

Environmental Report Digest 2016

By making improvements such as using returnable palettes,
changing materials, and simplifying/eliminating packing materials̶with a particular emphasis on improving the packaging of
supplementary parts and Osaka Plant s CKD parts for whichlarge amounts of packing materials had been used̶the FY2015
target was reached in the second year from when the activities
were initiated from FY2011. And, by continuing with improvements since then, the following results were achieved.
〈FY2010 - FY2015 Activities Results〉● Basic Unit of Packing Material Used per Cargo Weight (kg/ton)Compared to FY2010 △24.8 %● Amount of Wood/Cardboard Used

FY2010 - FY2015 Cumulative Total △1,978tons
The amount of wooden packing materials reduced when converted to cedar trees (tree age 50) is equivalent to 4,457 trees*1.
From the forestry conservation perspective, we kept 4,457
trees from being cut down. Also, the amount of CO2 absorption
converted to cedar trees is 62 (t-CO2/year)*2.
*1: One 50 year-old cedar tree weighs approximately 0.444 tons.
*2: Amount of carbon absorption by one 50 year-old cedar tree is approximately
14kg/year● Improvement Status of Returnables

・Returnable use rate for spare parts packing cases: 46%

improvement (compared to FY2010)
・Returnable use rate for CKD packing (all-purpose) cases:

22% improvement (compared to FY2010)〈Improvement Example of Wooden Packing Materials Elimination〉(1) PC650 For North America: Removable Brackets Attachedto Main Unit (abolition of separate packaging)
Before Improvement
Lattice Wood Box
200kg/case

After Improvement
Packing Materials
used on Main Unit
△6tons/year

Removable Brackets(2) Spare Parts: Elimination of wooden packing materials byusing returnable palettes
21% improvement (compared to FY2012) in FY2013 on
using returnables for spare parts
Before Improvements
Lattice Wood Box
50kg/case

After Improvements
Packing Material Using
Returnable Palettes△58tons/year

Before Improvement
Cardboard Box
22kg/case

After Improvement
Packing Materials Using
Returnable Palettes△298tons/year(3) PC200-PC400: Boom packing abolished/simplified(all areas except Russia and Africa)
Before Improvement
Lattice Wood Box(used for PC400
for example)
1,009kg/case

After Improvement
Bare Packing (minimal metal
holder on pin section)
Packing Materials△370tons/year
Metal Holder on Pin Section

Environmental Risk Management
Number of PCB-containing Transformers and Capacitors
in Storage

Promoting Legal Compliance, and Pollution
Mitigation and Prevention

Komatsu has established guidelines for testing soil and groundwater at our Japan facilities, and we perform investigations
according to applicable laws and regulations at business units
that are to be sold, closed, or demolished. If contamination isfound, the Company takes appropriate measures under thesupervision of local authorities. We are performing voluntary
investigations at currently operating business units to check forcontamination from volatile organic compounds (VOC) fromcleaning solvents that were used in the past.
Komatsu has been surveying soil and groundwater for VOC
contamination at Group business units in Japan since 2005.
Business unit sites at which contamination has been detectedhave implemented countermeasures. The Company has selected
methods to clean up the sites as quickly as possible.
Work at the Oyama Plant was completed in FY2009. The clean
up work at the other sites are continuing.
Going forward, along with driving the clean up activities, we will
monitor the site boundaries to make sure that off-site outflow ofgroundwater does not exceed the standards.
Status of Soil and Groundwater Cleanup in Japan
Business unit

Cleanup method

Cleanup status

Awazu Plant

Excavation and removal, soil vapor extraction,
groundwater withdrawal and aeration,bioremediation*

In process

Komatsu Plant(formerly)

Excavation and removal, groundwater
withdrawal and aeration, bioremediation

In process

Osaka Plant

Soil vapor extraction, air sparging,groundwater withdrawal and aeration,bioremediation

In process

Shonan Plant

Excavation and removal, groundwater
withdrawal and aeration

In process

Tochigi Plant

Excavation and removal, bioremediation

In process*: Bio-remediation is purification process of hazardous materials through utilizing
micro organisms and returning the soil to a non-hazardous state.
- Surveys revealed no contamination for the Koriyama Plant, Technology
Innovation Center in Hiratsuka, Techno Center in Izu and Field Testing
Department in Oita.

Managing PCB (Polychlorinated Biphenyl) Waste
Komatsu stores and manages PCB-containing waste, such astransformers, in accordance with Japan s Law Concerning
Special Measures Against PCB Waste and the Waste Disposal
and Public Cleansing Law. In FY2008, Komatsu entrusted PCB
disposal to the Japan Environmental Safety Corporation (JESCO).
A total of 599 PCB-containing capacitors were disposed of by
FY2015. As of the end of FY2015, 72 capacitors are awaiting
disposal.
Continuing through 2016, we plan to carry out further disposal
work to locate low-concentration PCB waste as well.

Komatsu Ltd.

Addressing Soil and Groundwater Contamination

Capacitors, etc.

Company

Komatsu Group companies periodically report and archive
environmental measurement results, in accordance with applicable laws and regulations of national and local authorities. In
FY2015, there was a minor infraction regarding the environment(temporarily exceeding the standard for water quality and failure
to report certain facilities), but it has been resolved and currently
there are no compliance breaches.
No major accidents or legal violations occurred that would
threaten environmental contamination.

Site

Number of
disposal in
FY2015

Stabilizers

Number of
awaiting
disposal

Number of
disposal in
FY2015

Number of
awaiting
disposal

Head office

0

4

0

30

Awazu Plant

0

18

0

64

Osaka Plant

0

0

0

93

Oyama Plant

28

37

0

0

Shonan Plant

0

2

0

0

Tochigi Plant

0

5

0

0

Field Testing
Department

0

0

0

4

Construction &Mining Equipment
Marketing Division

0

0

0

131

Subtotal of Komatsu

28

66

0

322

Komatsu NTC Ltd.

0

2

0

0

Komatsu Cabtec Co., Ltd.

2

0

0

0

Komatsu Construction
Equipment Sales andService Japan Ltd.

0

4

0

448

Total of Komatsu group

2

6

0

448

Total

30

72

0

770

- The share from the former Komatsu Plant was transferred to the Awazu Plant.
The share from the former Mooka Plant was transferred to the Oyama Plant.

Management of Chemical Substances and
Pollution Prevention

Reducing the amount of PRTR-related
substances
The number of substances covered by PRTR* with a handlingvolume of 1 ton or more (0.5 ton or more for Class I specified) in
FY2015 was 25 with an increase of 2 substances over the previous year. The handling volume (1 ton or more) has been reduced
about 18% from the previous year.
Among all PRTR-listed substances, the three substances ofxylene, ethyl benzene and toluene account for approximately
93% of the emissions from Komatsu and Komatsu Group manufacturing facilities. Most of the emissions are released into theatmosphere.
At domestic Komatsu group production facilities, initiatives,
such as switching to paints with a lower proportion of PRTRlisted substances, using high-solid paints, improving coating
efficiency and reducing film thickness, are being undertaken forthe continuous reduction of handling volumes. Also, substances
handled in large volumes are being changed to secondary materials that contain chemical substances having less impact on thehuman body. The amount of emissions in FY2015 has been
reduced by about 17% from the previous year.
*PRTR: Law designed to mandate the disclosure of the amount of specific chemical substances released into the environment to promote themanagement of such substances (The notification system based on the
PRTR Law)

Environmental Report Digest 201622

Environmental Risk Management
Reducing the amount of VOC released
The majority of VOC emissions are from VOC contained in paint such as
Ethylbenzene and Xylene.
The amount of emissions in FY2015 has been reduced by about 18% from theprevious year by switching to paints having a less content of volatile matter, migrating
to paints having a higher coating efficiency and so on.
Further improvement efforts continue in pursuit of further reductions.

Komatsu Cabtec Co., Ltd.ʼs New Painting Line

Names of Class I Designated Chemical Substances and the AmountsReleased and Transferred from Komatsu Group Manufacturing
Facilities in Japan(handling 1 ton or more, or 0.5 ton or more for Class I Specified Chemical Substances) (applicable PRTR substances from April 2010) (Unit: t)
Numberunder the
PRTR Law

Amount released

AmounthandledName

Air

Amount transferred

Water

Soil

BuriedSewageWaste

Chemicallytransformed
oreliminated

AmountContained
in
Products
311.3

412

Manganese and its compounds

319.3

0.5

0.0

―

―

―

7.5

―

80

Xylene

231.9

170.4

―

―

―

―

18.4

42.6

53

Ethylbenzene

155.4

126.5

―

―

―

―

12.9

15.6

87

Chromium and chromium (III) compounds

102.2

0.0

―

―

―

―

1.0

―

101.2

0.5
0.4

438

Methylna phthalene

96.5

0.5

―

―

―

―

―

96.0

―

300

Toluene

76.4

60.1

―

―

―

―

10.2

6.1

―

296

1,2,4-trimethyl benzene

55.6

18.7

―

―

―

―

1.9

35.0

0.1

453

Molybdenum and its compounds

30.7

―

―

―

―

―

0.0

―

30.6

―

448

Methylenebis (4,1 phenylene) = diisocyanate

23.1

308

Nickel

14.2

―

―

―

―

0.0

22.5

0.5

0.0

―

―

―

―

0.0

―

14.2

297

1,3,5-trimethyl benzene

8.7

4.1

―

―

―

―

0.5

88

Chromium (VI) compounds*1 *2

8.5

0.0

―

―

―

―

2.1

―

321

Vanadium compounds

8.1

―

―

―

―

―

0.0

―

207

2,6-Di-tert-butyl-4-methylphenol

7.8

―

0.0

―

―

―

0.7

132

Cobalt and its compounds

6.1

0.0

―

―

―

―

0.8

277

Triethylamine

6.0

1.2

―

―

―

―

0.0

460

Tricresyl phosphate

3.3

0.0

―

―

―

―

0.0

188

N,N-dicyclohe xylamine

3.2

0.3

0.0

―

―

―

2.6

0.2

0.1

258

1,3,5,7-tetraaza tricyclo[3, 3,1,1(3,7)] decane*3

3.1

―

―

―

―

0.0

1.6

1.6

349

Phenol*3

3.1

0.0

―

―

―

―

0.0

3.1

392

n-hexane

2.4

1.0

―

―

―

―

0.0

1.4

―

―

―

4.1

0.0
8.1

0.0

7.0

―

5.4
―

4.8
―

3.3

0.0

302

Naphthalene

2.2

1.0

―

―

―

―

0.5

0.7

―

83

Isopropyl benzene

2.0

1.4

―

―

―

―

0.1

0.4

―

71

Ferric chloride

1.2

0.0

―

―

―

―

1.2

―

1

Zinc compounds (water- soluble)

1.1

0.0

―

―

―

―

0.3

―

―

0.8

*1: During chrome plating, chromium (VI) compounds become chromium compounds. Therefore, the amount transferred and the amount contained in products are enteredas chromium and chromium(III) compounds.
*2: PRTR Class I Specified Chemical Substances*3: Although the amount contained is below the amount that requires registration with the PRTR, we report the data because the amount released exceeds one ton.

Breakdown of the Amount of PRTR-related
Substances (Released and Transferred fromAmount of PRTR-related Substances

Amount of VOC(Releasedfrom Komatsu Group Manufacturing(Released from Komatsu Group Manufacturing

Komatsu Group Manufacturing Facilities in Japan)

Facilities in Japan)

Other 2.4%

Xylene 14.6%

Nickel 1.2%

Ethylbenzene 10.9%

Molybdenum andits compounds 2.6%
Chromium andits compounds 8.7%

Manganese andits compounds
26.7%

Toluene 5.1%
Other 2.5%
Atmosphericdischarge
33.1%
Adherence toproducts
Transferred(waste)41.6%
5.2%
Chemicallytransformed oreliminated
20.1%

Xylene 1.6%

1,2,4-Trimethylbenzene 3.0%

1,200
1,000

Ethylbenzene
1.1%
Toluene 0.9%800Manganese andits compounds 0.6%

600

Other1.0%
Methylnaphthalene 8.2%

Other 5.2%

(t)
1,400

Xylene 3.7%
Note: Substances handled in quantities of 1 ton or more

(kg/million yen)6

5.2 5.0

1,214 1,288 977

Environmental Report Digest 2016

(t)

(%)

2,000

120
100

1,500

90

78.8

4
2.3 2.4

2.9 2.9 2.8

2.4

2.0

402 570 690 575 525 463 386
2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
PRTR emissions

23

5

4.0

400
0

Facilities in Japan)

Note: Substances handled in quantities of 1 ton or more

3
2

1,000
500

51.3

1,453

Index per Unit of Manufacturing Value

50.5

42.5

60
30

564 833 991 816 803 685 559

1
0
(FY)

1,321 47.6

59.9 59.4 61.8

0

2005

2008 2009 2010 2011 2012 2013 2014 2015

Amount of VOC Released

0(FY)

Index per Unit of Manufacturing Value(Compared to FY2005)

Reducing the Use of Substances of Environmental Concern and Complying with the EU REACH Regulation
Komatsu has been making efforts from an early stage to reduce
the use of asbestos, lead, and other substances of environmental concern. In FY1999, Komatsu created its own list of banned
substances and substances approved for use only in limited circumstances (Refer to Substances of Environmental Concern
Banned or to Be Reduced for Use in Products ), which was
based in part on the chemical substances banned under Japan s
Law Concerning the Examination and Regulation of Manufactureof Chemical Substances Control, as well as regulations in othercountries.
In addition, Komatsu has begun comprehensive control of substances of environmental concern. Recently, in compliance with
REACH*1, Komatsu began revising its listing of substances designated as approved for limited use, to be reduced, andbanned. Through the cooperation of suppliers, the Company
has initiated a system to strengthen control of substances ofenvironmental concern in its products. This system has been
deployed in Japan and Europe, and is also being implemented inother overseas subsidiaries.
By using this system, we identify SVHC (substances of very
high concern) in vehicles currently in production and in newly

developed vehicles. Furthermore, we also regularly check for
new SVHCs to be added to the list.
There are currently 168 SVHCs registered, but more are added
on a bi-yearly basis. In future, it is said that the number of SVHC
will increase up to 1,500. Komatsu has devised a workflow tomonitor control of these substances.
Control System for Substances of Environmental Concern
DesignCAD system●

Sending informationon technical drawings

Control system
for substances of
Inputting specifications of substances of environmental concern Procurement
environmental concern contained in products● Checking for targeted
Sending
Database for survey forms
substances upon release
Supplier
parts subjectedof technical drawingsAto surveys● Checking for targeted● Supplier survey
substances upon parts
management
registration(technical drawings)●●●

Responding to survey results
Summarizing information
on targeted substances

Table listing
substances ofenvironmental
concern

Generating summary formodel under development

Table ofparts

Sendingcompletedsurveys

Supplier
B

Substances of Environmental Concern Banned orto Be Reduced for Use in Products
Rank

NumberBanned14

To be reduced(Subject tolimited use)

17

Substances ofVery High
Concern(SVHC) under
the EU REACH
Reguleation

（168）
*4

Chemical Substance
Hexavalent Chromium
PCB● Triethanolamine●●● Mercury● PBB/PBDE● Tri-substituted Organostannic Compounds
Cadmium● Specified CFCs/Alternative CFCs (HCFC)● Trichloroethylene
Asbestos● Hexachlorobenzene● PFOS (Perfluorooctanesulfates)●●● Arsenic● Selenium● Alternative CFCs (HFC)
Lead
Specified phthalate ester (DEHP/DBP/BBP/DIBP)*2
Specified Brominated Flame Retardents (HBCDD)/ Specified Chlorinated Flame Retardents (TCEP)● Polycyclic Aromatic Hydrocarbons (PAH)● RCF (Fire-Resistant Ceramic Fibers) (Alumina and Scilica Types)● Methanol● DZ● BNST● DOTE*3● UV327*3●●●

Komatsu is subject to control the following substances, which might be used in Komatsu products.
● DEHP/DBP/BBP/DIBP● HBCDD/DBDE/Trisphosphates (2-Chloroethyl)● RCF● Specified Lead Compounds (SOC 4)● DOTE● UV327*1: REACH: EU regulations for Registration, Evaluation, Authorization and Restriction of Chemicals*2: Diethylhexyl phthalate, dibutyl phthalate, benzyl butyl phthalate, diisobutyl phthalate*3: Review for stricter limits due to regulatory trends.
*4: The number of substances registered up until December, 2015 (progressively updated). Includes materials that are not contained in Komatsu construction equipment.

Recent External Commendations and Evaluations on
Komatsu s Environmental Conservation and Social Activities
September

Selected for inclusion in the Dow Jones Sustainability Indices (World and Asia Pacific)

November

Selected by CDP as Leading Company for Climate Change Information Disclosure

January

Ranked 10th (out of 705 companies) in the Manufacturing Sector in Nihon Keizai Shimbun s 19th Environmental Management
SurveyFebruary

Defense Systems Division awarded the Energy Conservation Center, Japan s Energy Conservation Prize (Case Category) Energy
Conservation Center Chairman s Award

February

Komatsu Environmental Report Digest 2015 awarded the 19th Environmental Communication Award --Excellence Award from the
Global Environment Forum of the Ministry of the Environment

2015

2016

Environmental Report Digest 201624

Environmental Data by Manufacturing Facility in Japan
Overview

Manufacturing facility
Location
Main products
Site/Green Landscape (1,000 m2)
Number of employees
Date of ISO14001 certification acquisition

Awazu Plant (established in 1938)
Kanazawa Plant (established in 2007)
Komatsu, Ishikawa Prefecture
Kanazawa, Ishikawa Prefecture
Small and medium-sized bulldozers, small
hydraulic excavators, small and medium-sized Ultra-large hydraulic excavators, largepresses, medium presses
wheel loaders, motor graders, armored vehicles, etc.
700/85
134/302,926646
September 1997
May 2007

Osaka Plant (established in 1952)
Hirakata, Osaka Prefecture
Large bulldozers, medium-and large-sized
hydraulic excavators, mobile crushers/recyclers/tub grinders (crushers, soil stabilizers,
tub grinders, etc.)
575/802,614
July 1997*The number of employees includes those working for Komatsu affiliates on the premises.
*The number of employees as of the end of March 2016.

Major Performance

Environmental impact*Refer to the Data on Environmental Impact
Resulting from Business Activities for details
on the methods used to calculate amounts.
*Total emissions of waste are expressed as
a composite of the amount recycled(excluding valuables) and the amountdisposed.
*Recycling rate is calculated by dividing theamount recycled (including valuables) by theamount generated (including valuables).
*Total emissions of BOD and COD are calculated by multiplying the average
concentration by the amount of wastewater.

Energy consumption*The heat energy conversion factor is calculated in keeping with Greenhouse Gas
Emissions Calculation - Reporting Manual,
which is based on the act on Promotion of
Global Warming Countermeasures.

Water consumption

Air

Unit

Nitrogen oxides (NOx)

ppm
ppm
ppm
ppm

Sulfur oxides (SOx)
Soot and dust

―

g/m3N
g/m3N
g/m3N
g/m3N

Item

BoilerDiesel engine

K-value regulation
BoilerDiesel engine

Regulated
value
180
950

Actual
value
100
760

17.5
0.3
0.1

2.53
0.054
0.034

pH
BOD (Biochemical
oxygen demand)
COD (Chemical
Oxygen Demand)
Suspended solids (SS)Mineral oils
CopperZinc
NitrogenPhosphorus
Cadmium
Lead
Chromium (VI)
Trichloroethylene
Tetrachloroethylene
Dichloromethane
1,1,1-trichloroethane

Actual value

Regulated value
according to theWater Pollution
Control Law

Regulatedvalue

Maximum

Minimum

5.8〜8.6

5.8〜8.67.2

6.4

160mg/ℓ80

2.3160mg/ℓ80

200mg/ℓ
5mg/ℓ
3mg/ℓ
2mg/ℓ
120mg/ℓ
16mg/ℓ0.03mg/ℓ
0.1mg/ℓ
0.5mg/ℓ
0.1mg/ℓ
0.1mg/ℓ
0.2mg/ℓ
3mg/ℓ

120
5
3
2
120
16
0.03
0.1
0.5
0.1
0.1
0.2
3

*Regulated values are in accordance with
the Water Pollution Control Law, Sewerage
Law and local regulations.
*ND ( not detected ) indicates a value
below the lower limit of detection.
*ND is considered to be the lower limit ofdetection when calculating the average.
*Other items are confirmed to be below theregulated value.

25

Facility

Item
Actual value
Total CO2 emissions
1,407 t-CO2― kg
NOx total amountSOx total amount
0 kg
Total emissions of waste
110 t
Amount recycled
110 t
Recycling rate
100 ％BOD emissions
38 kg
COD emissions
124 kgWastewater
34,965 m3
Output of in-house
623 MWhpower generation
ActualConverted to calorie
Itemconsumption
equivalents (GJ)Electricity
3,616 MWh
35,256
Heavy oil A
0 kℓ0Kerosene
0 kℓ
0Light oil
1 kℓ
33
Town gas
0 Nkm3
0
LPG
5t
273
Other
0
Total
35,562Item
Actual value
Groundwater
27,922 m3
Industrial water
0 m3
Supply water
7,043 m3
Total
34,965 m3
Regulatedvalue

Actual
value

N/A

―

―

N/A

―

―

Facility

Item
Actual value
Total CO2 emissions
22,509 t-CO2
NOx total amount
1,685 kg
SOx total amount
0 kg
Total emissions of waste
1,077 tAmount recycled
1,075 tRecycling rate
99.9 ％
BOD emissions
459 kg
COD emissions
1,196 kg
Wastewater
181,011 m3
Output of in-house
4,800 MWhpower generation
ActualConverted to calorie
Itemconsumption
equivalents (GJ)Electricity
38,025 MWh
369,263
Heavy oil A
52 kℓ
2,029
Kerosene
8 kℓ
296
Light oil
430 kℓ
16,439Town gas
3,234 Nkm3
135,519
LPG
34 t
1,719
Other
1,153
Total
526,417
Item
Actual value
Groundwater
21,934 m3
Industrial water
0 m3
Supply water
94,942 m3
Total
116,876 m3

Boiler
Metal furnace
Paint drying furnace
Gas engine

Regulated
value
150
180
230
600

Actual
value
23
56
13
21

Boiler
Metal furnace
Paint drying furnace

0.05
0.1
0.1

0.002
0.024
0.005

Facility*Regulated values are in accordance with the Air Pollution Control Law and local regulations.

WastewaterCompliance Conditions to Major Regulations

Item

Item
Actual value
Total CO2 emissions
30,838 t-CO2
NOx total amount
75,907 kg
SOx total amount
4,804 kg
Total emissions of waste
1,380 tAmount recycled
1,379 tRecycling rate
99.9 ％
BOD emissions
1,055 kg
COD emissions
1,804 kg
Wastewater
599,417 m3
Output of in-house
14,590 MWh
power generation
ActualConverted to calorie
Itemconsumption
equivalents (GJ)Electricity
39,289 MWh
381,996
Heavy oil A
4,029 kℓ
157,543
Kerosene
12 kℓ
430
Light oil
413 kℓ
15,760Town gas
0 Nkm30LPG
1,208 t60,647
Other
1,454
Total
617,830
Item
Actual value
Groundwater
404,300 m3
Industrial water
0 m3
Supply water
81,549 m3
Total
485,849 m3

Environmental Report Digest 2016

Actual value

Average

Regulatedvalue

Maximum

Minimum

6.7

5.0〜9.0

8.2

6.4

ND

1.3

80

1.6

5.1

ND

2.5

80

3.0
ND
ND
0.17
3.9
0.31
ND
ND
ND
ND
ND
ND
ND

ND
ND
ND
ND
1.6
0.01
ND
ND
ND
ND
ND
ND
ND

1.5
ND
ND
0.09
3.0
0.13
ND
ND
ND
ND
ND
ND
ND

120
5
3
2
120
16
0.03
0.1
0.5
0.1
0.1
0.2
3

Actual value

Average

Regulatedvalue

Maximum

Minimum

Average

7.1

5.8〜8.6

7.5

7

7.2

1.1

1.4

35

11

ND

2.5

9

1.1

3.2

35

11

3.6

6.6

4.2
ND
ND
1.5
0.2
4.8
ND
ND
ND
ND
ND
ND
ND

2.0
ND
ND
1.1
0.04
0.03
ND
ND
ND
ND
ND
ND
ND

3.0
ND
ND
1.3
0.1
2.4
ND
ND
ND
ND
ND
ND
ND

70
5
3
2
120
16
0.003
0.01
0.05
0.01
0.01
0.02
1

7
ND
ND
ND
37
0.16
ND
ND
ND
ND
ND
ND
ND

ND
ND
ND
ND
5.4
0.02
ND
ND
ND
ND
ND
ND
ND

2.4
ND
ND
ND
17.9
0.07
ND
ND
ND
ND
ND
ND
ND

*Data for the Kanazawa Plant include data for the
Kanazawa Dai-ichi and Dai-ni Plant.

*Data for the Osaka Plant include data for the
Rokko Plant.

Ibaraki Plant (established in 2007)
Hitachinaka, Ibaraki Prefecture

Oyama Plant (established in 1962)
Oyama, Tochigi Prefecture

Koriyama Plant (established in 1994)
Koriyama, Fukushima Prefecture

350/71
862
May 2007

591/1263,170
May 1997

297/153
425
July 2002

Shonan Plant (established in 1966)
Hiratsuka, Kanagawa Prefecture
Control equipment for construction and mining equipment, hybrid components
Thermoelectric modules, temperature control
equipment, etc.
69/14
1,015
March 2000

Large wheel loaders, dump trucks

Engines for construction/industrial machinery,
diesel generators, hydraulic equipment, axle,
excimer lasers, etc.

Hydraulic cylinders, swivel joints,
gear pumps

Item
Actual value
Total CO2 emissions
3,402 t-CO2
NOx total amount
606 kgSOx total amount
2 kg
Total emissions of waste
321 tAmount recycled
321 t
Recycling rate
100 ％BOD emissions
2,831 kg
― kg
COD emissions
Wastewater
23,262 m3
Output of in-house
641 MWhpower generation
Converted to calorie
ActualItemequivalents (GJ)
consumption
Electricity
6,238 MWh
60,860
Heavy oil A
0 kℓ0Kerosene
2 kℓ
57
Light oil
353 kℓ13,495
Town gas
0 Nkm3
0
LPG
26 t
1,302
Other
0
Total
75,713Item
Actual value
Groundwater
0 m3
Industrial water
0 m3
Supply water
23,212 m3
Total
23,212 m3

Item
Actual value
Total CO2 emissions
41,683 t-CO2
NOx total amount
22,182 kg
SOx total amount
18 kg
Total emissions of waste
1,545 tAmount recycled
1,545 tRecycling rate
100 ％BOD emissions
2,108 kg
COD emissions
3,023 kg
Wastewater
356,300 m3
Output of in-house
9,063 MWhpower generation
Converted to calorie
ActualItemequivalents (GJ)
consumption
Electricity
56,307 MWh548,675
Heavy oil A
33 kℓ
1,286
Kerosene
1,402 kℓ
51,457
Light oil
4,243 kℓ
162,086
Town gas2,620 Nkm3
109,757
LPG
34 t
1,692
Other
785
Total
875,739
Item
Actual value
Groundwater
395,100 m3
Industrial water
0 m3
Supply water
1,672 m3
Total
396,772 m3

Item
Actual value
Total CO2 emissions
7,752 t-CO2
NOx total amount
41,322 kg
SOx total amount
1,696 kg
Total emissions of waste
790 t
Amount recycled
790 t
Recycling rate
100 ％BOD emissions
53 kg
COD emissions
152 kgWastewater
11,851 m3
Output of in-house
4,386 MWhpower generation
Converted to calorie
ActualItemequivalents (GJ)
consumption
Electricity
8,807 MWh85,124Heavy oil A
1,084 kℓ
42,384
Kerosene
0 kℓ
0Light oil
6 kℓ
232
Town gas
0 Nkm30LPG
469 t
23,534
Other
5
156
Total
151,430
Item
Actual value
Groundwater
0 m3
Industrial water
2,736 m3
Supply water
19,140 m3
Total
21,876 m3

Item
Actual value
Total CO2 emissions
3,547 t-CO2― kg
NOx total amountSOx total amount
0 kg
Total emissions of waste
145 tAmount recycled
145 t
Recycling rate
100 ％BOD emissions
1,883 kg
― kg
COD emissions
Wastewater
35,093 m3
Output of in-house
258 MWhpower generation
Converted to calorie
ActualItemequivalents (GJ)
consumption
Electricity
8,671 MWh
85,532
Heavy oil A
0 kℓ0Kerosene
0 kℓ
0Light oil
35 kℓ
1,345
Town gas
63 Nkm3
2,636
LPG
0t
0
Other
0
Total
89,513Item
Actual value
Groundwater
0 m3
Industrial water
0 m3
Supply water
35,093 m3
Total
35,093 m3

Facility
Diesel engine

K-value regulation
Diesel engine

Regulated
value
100

Actual
value
63*

9
0.1

0.05
0.014

Regulatedvalue(Sewage
Water Law)
5〜9

Actual value
Maximum

Minimum

8.9

7.8

600

210

42

Facility
Diesel engine
Gas turbine

K-value regulation
Diesel engine
Gas turbine

Regulated
value
950
70

Actual
value
940
15

7.0
0.1
0.05

0.38
0.03
0.001

Actual value

Average

Regulatedvalue

Maximum

Minimum

8.5

5.8〜8.6

7.3

7

122

25

18

Cogeneration engine

Regulated
value
760

Actualvalue
652

K-value regulation
Cogeneration engine

11.5
0.1

0.76
0.036

Facility

Actual value

Regulatedvalue

Actual
value

N/A

―

―

N/A

―

―

Facility

Maximum

Minimum

Average

7.2

Regulatedvalue(Sewage
Water Law)
5〜9

8.6

7.4

8.0

1.1

4.5

600

170

1

34

Average

Regulatedvalue

Maximum

Minimum

Average

7.2

5.8〜8.6

7.4

6.9

1.2

5.9

40

10

Actual value

―

―

―

―

25

13.6

3

8.5

40

19

5.9

12.8

―

―

―

―

600
5

440
ND

24
ND

187
ND

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

3

ND

ND

ND

2.5
ND
ND
0.05
8.2
2.4
ND
ND
ND
ND
ND
ND
ND

―

―

6.6
0.7
ND
0.05
8.2
2.4
ND
ND
ND
ND
ND
ND
ND

25
ND
0.05
0.13

―

70
1
2
2
120
16
0.03
0.1
0.2
0.1
0.1
0.2
3

ND
ND
ND
ND

―

8.1
ND
0.1
0.1
5.1
0.3
ND
ND
ND
ND
ND

190
ND
0.05
0.32

―

2.4
ND
ND
ND
1.1
0.1
ND
ND
ND
ND
ND

600
5
3
2

―

23
ND
0.2
0.1
9.9
0.4
ND
ND
ND
ND
ND

4.0
0.5

―

50
5
3
2
20
2
0.03
0.1
0.1
0.1
0.1

0.03
0.1
0.5
0.1
0.1
0.2
3

ND
ND
ND
ND
ND
ND
ND

ND
ND
ND
ND
ND
ND
ND

ND
ND
ND
ND
ND
ND
ND

―

ND
ND
―
―
―
―

*Data for the Shonan Plant include data for KELK
Ltd.(excluding GIGAPHOTON, Inc)

Environmental Report Digest 201626

Environmental Data by Manufacturing Facility in Japan
Overview

Manufacturing facility

Tochigi Plant (established in 1968)

Location
Main products
Site/Green Landscape (1,000 m2)
Number of employees
Date of ISO14001 certification acquisition

Oyama, Tochigi Prefecture
Forklift trucks, mini excavators, mini wheel
loaders
215/25650
February 1998

Development Division, Technology Innovation Center(established in 1985)
Hiratsuka, Kanagawa Prefecture
R&D on business fields of the KomatsuGroup
195/124341
May 2008

Himi, Toyama Prefecture
Ironcastings, steel castings, molds for
casting, etc.
433/104869
January 2000

Item
Actual value
Total CO2 emissions
1,358 t-CO2
NOx total amount
224 kgSOx total amount
1 kg
Total emissions of waste
155 t
Amount recycled
154 t
Recycling rate
99.6 ％
BOD emissions
8 kg
COD emissions
17 kg
Wastewater
3,820 m3
Output of in-house
5 MWhpower generation
ActualConverted to calorie
Itemconsumption
equivalents (GJ)Electricity
2,847 MWh
27,514Heavy oil A
0 kℓ0Kerosene
90 kℓ
3,309
Light oil
6 kℓ
230
Town gas
0 Nkm3
0
LPG
8t
389
Other
17
Total
31,458Item
Actual value
Groundwater
0 m3
Industrial water
0 m3
Supply water
7,617 m3
Total
7,617 m3

Item
Actual value
Total CO2 emissions
43,070 t-CO2
NOx total amount
7,530 kg
SOx total amount
1,435 kg
Total emissions of waste
4,514 tAmount recycled
4,509 tRecycling rate
100 ％BOD emissions
1,169 kg
COD emissions
1,906 kg
Wastewater
710,552 m3
Output of in-house
0 MWhpower generation
ActualConverted to calorie
Itemconsumption
equivalents (GJ)Electricity
85,900 MWh
842,233
Heavy oil A
1,313 kℓ
51,353
Kerosene
511 kℓ
18,744
Light oil
185 kℓ7,061
Town gas
0 Nkm30LPG
1,590 t79,811
Other
0
Total
999,202
Item
Actual value
Groundwater
710,552 m3
Industrial water
0 m3
Supply water
19,339 m3
Total
729,891 m3

Komatsu Castex Ltd. (established in 1952)*The number of employees includes those working for Komatsu affiliates on the premises.
*The number of employees as of the end of March 2016.

Major Performance

Environmental impact*Refer to the Data on Environmental Impact
Resulting from Business Activities for details
on the methods used to calculate amounts.
*Total emissions of waste are expressed as
a composite of the amount recycled(excluding valuables) and the amountdisposed.
*Recycling rate is calculated by dividing theamount recycled (including valuables) by theamount generated (including valuables).
*Total emissions of BOD and COD are calculated by multiplying the average
concentration by the amount of wastewater.

Energy consumption*The heat energy conversion factor is calculated in keeping with Greenhouse Gas
Emissions Calculation - Reporting Manual,
which is based on the act on Promotion of
Global Warming Countermeasures.

Water consumption

Air

Unit

Nitrogen oxides (NOx)ppm

Small boilers

Actualvalue
110Service generator

Regulated
value
190

Actualvalue
150

Cold/hot water generator

390

36

Facilityppm

Annealing furnace

Regulated
value
200

Actualvalue
170

Annealing furnace (small)

180

51

Calciners

220

11

Facilityppm
Sulfur oxides (SOx)
Soot and dust―

g/m3 N

K-value regulation
Small boilers

7.0

0.1

K-value regulation

11.5

0.07

K-value regulation

17.5

1.03

（0.5）

0.006

Service generator

0.1

0.02

Annealing furnace

0.25

0.01

Cold/hot water generator

0.2

0.003

0.01 or lessAnnealing furnace (small)

0.2

g/m 3 N

Calciners

0.15

0.01

g/m 3 N

Arch furnace

0.1

0.01 or lessg/m3 N*Regulated values are in accordance with
the Air Pollution Control Law and local
regulations.

ItempH
BOD (Biochemical
oxygen demand)
COD (Chemical
Oxygen Demand)
Suspended solids (SS)Mineral oils
CopperZinc
NitrogenPhosphorus
Cadmium
Lead
Chromium (VI)
Trichloroethylene
Tetrachloroethylene
Dichloromethane
1,1,1-trichloroethane*Regulated values of NOx, soot and dust are inaccordance with self-regulatory measures,
because these boilers are small.

Regulated value
according to theWater Pollution
Control Law

Regulatedvalue

Actual value

Actual value

Actual value

Maximum

Minimum

Average

Regulatedvalue

Maximum

Minimum

Average

Regulatedvalue

Maximum

Minimum

Average

5.8〜8.6

5.8〜8.6

8.4

6.9

7.3

5.8〜8.6

8.2

6.7

7.4

5.8〜8.6

8.4

6.6

7.6

160mg/ℓ

25

13.9

1.5

5.1

10

4

1

2

25

5.3

ND

1.6

160mg/ℓ

25

14.8

3.1

6.8

25

7

4

5.2

160

3.9

1.8

2.6

200mg/ℓ
5mg/ℓ
3mg/ℓ
2mg/ℓ
120mg/ℓ
16mg/ℓ0.03mg/ℓ
0.1mg/ℓ
0.5mg/ℓ
0.1mg/ℓ
0.1mg/ℓ
0.2mg/ℓ
3mg/ℓ

50
5
3
2
20
2
0.03
0.1
0.1
0.1
0.1

20.4
1.4
ND
0.2
11.6
1.0
ND
ND
ND
ND
ND

1.6
ND
ND
ND
0.8
ND
ND
ND
ND
ND
ND

10.4
0.7
ND
0.1
5.2
0.4
ND
ND
ND
ND
ND

65
5
1
1

10
ND
ND
0.04

ND
ND
ND
ND

4.2
ND
ND
0.03

―

―

―

―

―

―

―

―

0.03
0.1
0.5
0.1
0.1
0.2
3

ND
ND
ND
ND
ND
ND
ND

ND
ND
ND
ND
ND
ND
ND

ND
ND
ND
ND
ND
ND
ND

90
5
1
2
120
16
0.03
0.1
0.5
0.1
0.1
0.2
3

8
1.7
ND
ND
6.6
1.6
ND
ND
ND
ND
ND
ND
ND

ND
ND
ND
ND
1.4
0.1
ND
ND
ND
ND
ND
ND
ND

3.1
0.6
ND
ND
4.0
0.5
ND
ND
ND
ND
ND
ND
ND

*Regulated values are in accordance with
the Water Pollution Control Law, Sewerage
Law and local regulations.
*ND ( not detected ) indicates a value
below the lower limit of detection.
*ND is considered to be the lower limit ofdetection when calculating the average.
*Other items are confirmed to be below theregulated value.

27

Regulated
value
（260）

Facilityppm

WastewaterCompliance Conditions to Major Regulations

Item

Item
Actual value
3,383 t-CO2
Total CO2 emissions
NOx total amount
2,874 kg
SOx total amount
1,181 kg
Total emissions of waste
377 t
Amount recycled
377 t
Recycling rate
100 ％BOD emissions
102 kg
COD emissions
136 kgWastewater
20,145 m3
Output of in-house
280 MWhpower generation
ActualConverted to calorie
Itemconsumption
equivalents (GJ)Electricity
5,222 MWh
50,891
Heavy oil A
550 kℓ
21,504
Kerosene
0 kℓ
0
1,751
Light oil
46 kℓTown gas
0 Nkm3
0
LPG
67 t
3,341
Other
338
Total
77,825Item
Actual value
Groundwater
26,284 m3
Industrial water
0 m3
Supply water
0 m3
Total
26,284 m3

Environmental Report Digest 2016

―

―

―

―

3

ND

ND

ND

Overview

Manufacturing facility
Location
Main products
Site/Green Landscape (1,000 m2)
Number of employees
Date of ISO14001 certification acquisition

Komatsu NTC Ltd. (established in 1945)
Komatsu Cabtec Co., Ltd. (established in 1918)
Nanto, Toyama Prefecture
Ryuou-cho, Gamou, Shiga Prefecture
Machine tools, laser process machines, wire saws Cabs for construction equipment
216/22
42/10
1,507
347
June 1999
December 2007

*The number of employees includes those working for Komatsu affiliates on the premises.
*The number of employees as of the end of March 2016.

Major Performance

Environmental impact*Refer to the Data on Environmental Impact
Resulting from Business Activities for details
on the methods used to calculate amounts.
*Total emissions of waste are expressed as
a composite of the amount recycled(excluding valuables) and the amountdisposed.
*Recycling rate is calculated by dividing theamount recycled (including valuables) by theamount generated (including valuables).
*Total emissions of BOD and COD are calculated by multiplying the average
concentration by the amount of wastewater.

Energy consumption*The heat energy conversion factor is calculated in keeping with Greenhouse Gas
Emissions Calculation - Reporting Manual,
which is based on the act on Promotion of
Global Warming Countermeasures.

Water consumption

Air

Unit

Nitrogen oxides (NOx)
Sulfur oxides (SOx)
Soot and dust

ppm

Regulatedvalue

Actual
value

N/A

―

―

N/A

―

―

Facility

Item
Actual value
Total CO2 emissions
3,052 t-CO2
NOx total amount
11 kg
SOx total amount
0 kg
Total emissions of waste
936 t
Amount recycled
851 t
Recycling rate
97.9 ％
BOD emissions
150 kg
COD emissions
198 kgWastewater
52,923 m3
Output of in-house
0 MWhpower generation
ActualConverted to calorie
Itemconsumption
equivalents (GJ)Electricity
6,013 MWh
58,732
Heavy oil A
0 kℓ0Kerosene
6 kℓ
221
Light oil
29 kℓ
1,102
Town gas
0 Nkm30LPG
213 t
10,668
Other
221
Total
70,944Item
Actual value
Groundwater
29,380 m3
Industrial water
0 m3
Supply water
22,503 m3
Total
51,883 m3
Regulatedvalue

Actual
value

N/A

―

―

N/A

―

―

Facility

―

g/m N
3

*Regulated values are in accordance with the Air Pollution Control Law and local regulations.

WastewaterCompliance Conditions to Major Regulations

Item

Item
Actual value
Total CO2 emissions
7,390 t-CO2― kg
NOx total amountSOx total amount
0 kg
Total emissions of waste
1,432 tAmount recycled
1,430 tRecycling rate
99.9 ％
BOD emissions
711 kg― kg
COD emissions
Wastewater
631,512 m3
Output of in-house
65 MWhpower generation
ActualConverted to calorie
Itemconsumption
equivalents (GJ)Electricity
18,476 MWh
180,962
Heavy oil A
0 kℓ0Kerosene
0 kℓ
0Light oil
47 kℓ
1,805
Town gas
0 Nkm3
0
LPG
57 t
2,877
Other
0
Total
185,643
Item
Actual value
Groundwater
635,512 m3
Industrial water
0 m3
Supply water
12,714 m3
Total
648,226 m3

Item
pH
BOD (Biochemical
oxygen demand)
COD (Chemical
Oxygen Demand)
Suspended solids (SS)Mineral oils
CopperZinc
NitrogenPhosphorus
Lead

Regulated value
according to theWater Pollution
Control Law
5.8〜8.6160mg/ℓActual value

Actual value

Regulatedvalue

Maximum

Minimum

Average

Regulatedvalue

Maximum

Minimum

Average

5.8〜8.6

7.3

6.2

6.7

5.8〜8.6

7.1

6.7

6.9

160

2.3

ND

1.1

20

14.0

ND

2.8

160mg/ℓ

―

―

―

―

20

11.3

1.4

3.7

200mg/ℓ
5mg/ℓ
3mg/ℓ
2mg/ℓ
120mg/ℓ
16mg/ℓ0.1mg/ℓ

200
5

6.0
1

ND
ND

1.7
0.8

20

5.4

ND

2.2

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

―

0.1
0.5
8
0.6
0.03

ND
0.15
3.1
ND
ND

ND
ND
0.8
ND
ND

ND
0.05
1.7
ND
ND

Major Performance*Regulated values are in accordance with
the Water Pollution Control Law, Sewerage
Law and local regulations.
*ND ( not detected ) indicates a value
below the lower limit of detection.
*ND is considered to be the lower limit ofdetection when calculating the average.
*Other items are confirmed to be below theregulated value.

*Data for Komatsu NTC Ltd. include data for the
Toyama plant and the Fukuno Plant.

Environmental impact*Total emissions of waste are expressed as acomposite of the amount recycled (including
valuables) and the amount disposed.
*Recycling rate is calculated by dividing theamount recycled (including valuables) by theamount generated (including valuables).

Item
Actual value
Total CO2 emissions
4,179 t-CO2
Total emissions of
5,104 twaste
Amount recycled
4,112 tRecycling rate
80.6 ％
ActualConverted to calorie
Itemconsumption
equivalents (GJ)Electricity
7,510 MWh
74,879Heavy oil A
37 kℓ
1,458
Kerosene
380 kℓ
13,942
Light oil
47 kℓ
1,783
LPG
21 t
1,046
Town gas891
Total
94,000

Energy consumption*The heat energy conversion factor is calculated in keeping with Greenhouse Gas
Emissions Calculation - Reporting Manual,
which is based on the act on Promotion of
Global Warming Countermeasures.

Overview

Manufacturing facility

Komatsu Construction Equipment Sales andService Japan Ltd. (established in March 1967)

Location5, Higashiogishima, Kawasaki-ku, Kawasakishi, Kanagawa (Head office)Activities

Sales and service for construction machinery

Number of bases
Number of employees
Date of ISO14001 certification acquisition

Item
Actual value
Total CO2 emissions
2,022 t-CO2
Total emissions of
2,459 twaste
Amount recycled
1,266 tRecycling rate
51.5 ％
ActualConverted to calorie
Itemconsumption
equivalents (GJ)Electricity
4,209 MWh
41,967
Heavy oil A
0 kℓ0Kerosene
61 kℓ
2,246
Light oil
89 kℓ
3,352
LPG
4t
183
Town gas0
Total
47,747Item
Actual value
Total CO2 emissions
2,269 t-CO2
Total emissions of
4,834 twaste
Amount recycled
4,400 tRecycling rate
91.0 %
ActualConverted to calorie
Itemconsumption
equivalents (GJ)Electricity
4,824 MWh
48,094Heavy oil A
0 kℓ0Kerosene
130 kℓ
4,771Light oil
6 kℓ
222
LPG
22 t
1,092
Town gas
86
Total
54,265

Komatsu Rental Ltd. (established in Oct. 2006)

Komatsu Forklift Japan Ltd. (established in Jan. 1973)

Yokohama, Kanagawa Prefecture (Head office) Shinagawa, Tokyo metropolitan (Head office)

104
1,917

Rentals for construction machinery, engineering works
construction machine apparatuses, and vehicles
137
901

―

―

Sales and service for forklift
130
1,590
―

*The number of business sites and employees as of the end of March 2016.

Environmental Report Digest 201628

Environmental Data by Manufacturing Facility outside Japan
The Americas
Overview

CMO

Europe
PMO

NMO

KDB

Hensley

KUK

KOHAG

KMG

Komatsu do
Brasil Ltda.

Hensley
Industries, Inc.

Komatsu UK Ltd.

Komatsu
Hanomag GmbH

Komatsu Mining
Germany GmbH

Texas, U.S.A.

Birtley, United
Kingdom

Hannover,
Germany

Düsseldorf,
Germany

Hydraulicexcavators

Wheel loaders

Ultra-large
hydraulicexcavators

Komatsu America Corp.

Manufacturing facilities

Chattanooga
Manufacturing
Operation

PeoriaManufacturing
Operation

Newberry
Manufacturing
Operation

Location

Tennessee,
U.S.A.

Illinois, U.S.A.

South Carolina,
U.S.A.

São Paulo, Brazil

Main products

Hydraulic excavators, motor
graders

Large wheel loaders, large dump
trucksUtility equipment(small construction equipment)

Hydraulic excaBuckets, teeth
vators, bulldozers and edges

8,061

12,920*

1,640

Number of employees
Energy consumption

Electricity(MWh)Heavy oil, light oil, et al. (kℓ)

844

410

318

500

626

2,381

15,44822,845

5,120

5,305

5,641

―

66

―

78

63

64

―

36

Natural gas(thousand m3)

125

1,389

34

0

2,146

788

836

937

LPG, et al.

(t)

―

21

20

―

（LPG）

68

（LPG）

（LPG）

―

14

（LPG）

91,865(GJ)

85,123

185,025

25,012

175,910314,898

95,771

86,347（t-CO2）

4,845

3,000

1,424

2,249

17,661

4,267

4,068

4,287

Water consumption(t)

16,746

15,4891,980

17,16425,324

10,187

11,071

6,895

Total emissions of waste

(t)

1,097

1,760

31

3,821

15,100

1,302

1,604

2,185

Date of ISO14001 certification acquisition

April 1998

March 2002

March 2004

January 2002

November 2009

December 1998

September 2000

July 2002

Total energy consumption
CO2*Unit:MWh*Electricity of a renewable source is used.

EuropeAsia

Overview

KIM

KFAB

KMR

KI

KUI

Manufacturing facilities

Komatsu Italia
Manufacturing
S.p.A

Komatsu Forest
AB

Komatsu
Manufacturing
Rus, LLC

PT Komatsu
Indonesia Tbk

Location

Este (PD), Italy

Umeå, Sweden

Yaroslavl, Russia

Utility equipment(small construction equipment)

Main products

Hydraulicexcavators

Forestryequipment

BKC

KIPL

KSC

PT Komatsu
Undercarriage
Indonesia

Bangkok
Komatsu Co.,Ltd.

Komatsu India
Pvt.

Komatsu Shantui
Construction
Machinery Co., Ltd.

Jakarta, Indonesia

West Java, Indonesia

Chonburi, Thailand

Chennai, India

Shandong, China

Hydraulic excavators,
bulldozers, wheel
loaders

Components forconstruction
equipment,
crawler type forconstruction
machinery, pins

Hydraulic excavators, castiron
parts

Dump trucks

Hydraulicexcavators

329

579

229

1,043

742

784

339

678

3,032

2,541

2,764

15,71235,57020,925

3,023

3,612

Heavy oil, light oil, et al. (kℓ)

―

29

26

212

436

128

293

26

Natural gas (thousand m3 )

390

―

966

1,041

513

―

―

―

234
（LPG）

151
（LPG）

Number of employees
Energy consumption

Electricity(MWh)LPG, et al.

(t)―1,978*（District heating）

―

150
（LPG）

―

5,808
（LNG・Steam）

Total energy consumption(GJ)

45,19629,487

68,101

214,507404,236

221,152

41,447

62,162（t-CO 2）

2,028

287

2,891

13,94327,552

11,983

3,600

3,525

Water consumption(t)11,612

3,825

9,447

45,261

56,26632,454

32,11758,305

Total emissions of waste

(t)

1,118

263

793

1,508

3,583

2,582

195

345

Date of ISO14001 certification acquisition

November 2001

October 2003

January 2014

June 2000

October 2008

September 2001

January 2010

December 2000

CO 2

*Unit:MWhAsia
Overview

Manufacturing facilities

Location

Main products

KCCM

KCF

KSD

Komatsu(Changzhou)
Construction
Machinery Corp.

Komatsu(Changzhou)
Foundry Corp.

Komatsu(Shandong)
Construction
Machinery Corp.

Komatsu
Undercarriage
China Corp.

KUCC

Jiangsu, China

Jiangsu, China

Shandong, China

Shandong, China

Wheel loaders,hydraulicexcavators

Iron castings andfoundry molds forconstruction andcasting parts

Mini construction
equipment,
hydraulic equipment and castingparts

Crawler type forconstruction
machinery

529

244

(MWh)

5,317

14,623

19,562

23,754Heavy oil, light oil, et al. (kℓ)

117

37

173

44.2

Natural gas (thousand m3 )

―

―

―

Number of employees
Energy consumption

Electricity

1,134

―

LPG, et al.

(t)

86
（LNG）

Total energy consumption(GJ)

62,131

155,054

251,924（t-CO 2）

4,664

11,836

17,572

20,493

Water consumption(t)

36,70038,485

126,859

79,033

Total emissions of waste

(t)

404

5,287

1,849

3,360

Date of ISO14001 certification acquisition

September 2000

December 1999

September 2013

December 2011

CO 2

1,276
（LPG・LNG・Steam）

3,959（LNG・Steam）

807
（LNG）
282,343

Notes 1. All data, except the number of employees, were derived from performances of all manufacturing facilities during FY2015.
The number of employees was based on the companies data as of March 31, 2016.
2. Conversion to CO2 and total energy consumption were based on statistical data of each region, country, and that of IEA for 2015.
3. Total emissions of waste are expressed as a composite of the amount recycled and the amount disposed.

29

2,235*（District heating）

Environmental Report Digest 2016

Environmental Education and Environmental Accounting
Courses in Environmental Education and Training in Japan (excluding general environmental courses)

Komatsu and Komatsu Group manufacturing facilities in Japan (including the Research Division, Field Testing Department)

Organizer

No.
1
2
3
4

Head
Office

5
6
7
8
9

10
1
2
Divisions3overseeing
environmental 4
management 5
at plants
6

Course name

TargetAdvanced environmental education (held every
two years)

Environmental specialists (Komatsu and affiliates)

Managers (Komatsu, affiliates, and businessassociates)
ISO14001 Standards Amendment (2015 Revision) Stakeholders regarding ISO14001 amandment
Environmental auditors (Komatsu, affiliates, and busiTraining of internal auditors / Refresher courses
ness associates)
Development and manufacturing staff (for second-year
Development and manufacturing (introductory)
employees)
Environmental training for manufacturing
Assistant foremen/ foremen/ manufacturing engineers/ stuengineers
dents of Komatsu Institute of Technology
Training new employees
New Employees (Komatsu and affiliates)
Lectures on the environment, experience-oriented
Komatsu Group employees
education
Overview of the ISO14000 series

Education to refresh environmental understanding(e-Learning)
Newly appointed manager training
Education in the basics of auditing
Overview of the ISO14000 series
Training of internal auditors
Training new employees
Regulatory education and personnel exchange
Specialist training

Participants
FY2013
FY2014FY2012FY2015

―

19

―

72

80

53

―

―

―

―

281

21

380

177

35

―

248

300

341

334

160

152

242

252

354

391

261

333

1,316

1,408

1,527

2,729

Komatsu Group managers and employees

153

193

154

181

Komatsu Group newly appointed managers
Managers and employees
Managers and employees
Environmental auditors
New Employees
Employees (and other participants)
Environmental conservation practitioners (persons
involved in regulatory affairs, etc.)

―

221
183
38
940
1,066

―

257
645
16
1,107
3,274

155
100
1,464
38
700
1,245

168
185
996
28
1,618
467

2,561

616

355

428

In addition to the education and training courses listed above, Komatsu also held courses dealing with environmental issues intended for sales agents.

Number of Persons Having Environment-related Certificate Effects on Society*1
Komatsu and Komatsu Group manufacturing facilities in Japan (including the Research Division, Field Testing Department)

Certificate name
Pollution control administrators
Energy administrators
Environmental management system auditors

Number of persons with certificate*
FY2012FY2013
FY2014FY2015
241（33）249（33）247（31）230（33）45（10）
45（10）
50（10）
41（9）
4
5
4
4

Environmental impact reduction effects
Environmental impact reduction resulting
from on-site recycling methods● Environmental impact reduction resulting
from product operation● Waste components reduction resulting
from Reman business●*Figures in parentheses indicate the number of officers required.

Tangible benefits
Reduction of expenses for processing
waste materials● Savings in operating and maintenancecosts● Reduction of repair costs●*1: Concerning the effects on society derived from product use by customers, the major itemsof qualitative information are shown here as a reference.

Environmental Costs (Investments and expenses)
Komatsu and Komatsu Group manufacturing facilities in Japan (excluding Komatsu House Ltd., including Technology Innovation Center)

Category
1. Business area cost
① Pollution prevention cost

FY2014
Investment*1
Investment*1(millions of yen) (millions of yen)
1,297
1,586
235

899

1,164

③ Resource circulation cost

33

187

2. Upstream/downstream cost9

9

Contents
Investment for installation and conversion of pollution mitigation/prevention
facilities installation of air pollution control equipment, etc.
● Investment for implementing energy
conservation measures installation ofenergy-saving air conditioners,
heat-treating furnace energy saving
facilities, etc.
● Investment for reducing the volume ofwaste materials (recycling facilities, etc.)● Additional investment needed to provide eco-friendly product services

3. Administration cost

91

25

●

4. R&D cost

303

281

●

5. Social activity cost

0

6. Environmental remediation cost

Expenses
FY2015FY2014
Expenses*1
Expenses*1(millions of yen) (millions of yen)
2,858
2,603

●

365
② Global environmental conser-

vation cost

Investment
FY2015Investment for beautifying manufacturing sites

●

730

673

1,348

1,106

780

825

152

288

●

●

Cost of maintaining equipment for mitigation/prevention of air and water pollution and for noiseand vibration prevention (labor and depreciation
costs)
Cost of maintaining energy conservation facilities,
such as cogeneration systems (labor and depreciation costs)
Waste material processing cost

Reduction of the environmental impact ofmass-production units
Cost of maintaining environmental management
systems● Cost of creating green spaces and beautifying
manufacturing sites● Cost of R&D activities to reduce the environmental
impact of products● Cost of R&D activities to develop environmentally-friendly construction equipment
●

●

787

731

21,51321,514

0

13

10

0

0

253

123

1,699

1,901

25,57625,270Investment in research facilities for
reduction of environmental impact

Contents

Cost of conducting surveys and remedial countermeasures related to soil and groundwatercontamination● PCB disposal costs
●

Total

*1: All figures are rounded off to the nearest million yen.

Environmental Effects

Komatsu and Komatsu Group manufacturing facilities in Japan(excluding Komatsu House Ltd., including Technology Innovation Center)

Environmental impact reduction effects
Items of enviReduction
Rate of yearon-yearronmental
amountchanges (%)
impact(t/year)-22,680-11.9
CO2 emissions
Water consumption-420,422-14.0
Waste materials-2,504-16.4
generation

Komatsu and Komatsu Group manufacturing facilities in Japan (excluding Komatsu House Ltd., including Technology Innovation Center)

Economic benefits
Tangible benefits
Type
Energy conservation
Resource conservation
Waste materials
reduction
Gain on sale ofvaluables
Other
Total

Monetary value*1(millions of yen)
511
3
533
213
2
1,262

Avoidance benefits ofenvironmental risks*2

Major activities●

Energy conversion, etc.

Promotion of recycling through thoroughgoing sorting● Reuse of furnace slag for roadbed
materials●

In FY2015, there wereno major accidents orlegal infractions thatwould contaminate theenvironment.
● No litigation costs wererequired in Japan during
FY2015.

Contribution to profits*2●●●

Proceeds from mobile
recycling equipment
Proceeds from value
added due to reduced
environmental impact of
products (engines)*1: Figures are rounded off to the nearest million yen.
*2: Komatsu used statements instead of numeral figures to describe the Avoidance benefits of environmental risks and the Contribution to profits. The company will further develop concepts and ways tounderstand effects in these categories. The sales amounts of businesses for content presented in Contributions to profits in FY2015 are as follows:● Mobile recycling equipment business: 15billion yen● Engine business: 1,220 billion yen (Total for intra-Group sales from the Engine Business Division)

Environmental Report Digest 2016

30

2016
Environmental Report Digest

Komatsu Ltd.

Environmental Affairs Department
2-3-6, Akasaka, Minato-ku, Tokyo
107-8414, Japan
http://www.komatsu.com/CompanyInfo/csr/
Komatsu welcomes your comments.
E-mail: kankyo@komatsu.co.jp
Environmental Affairs Department
TEL: +81-3-5561-2646
FAX: +81-3-5561-2780
HEER160916