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As Amended: December 6, 2012 Date of Hearing: November 15, 2012 State of California
AIR RESOURCES BOARD

CALIFORNIA EXHAUST EMISSION STANDARDS AND TEST PROCEDURES
FOR 2004 AND SUBSEQUENT MODEL
HEAVY-DUTY DIESEL-ENGINES AND VEHICLES

Adopted: December 12, 2002 Amended: July 24, 2003 Amended: September 1, 2006 Amended: July 26, 2007 Amended: October 17, 2007 Amended: October 14, 2008 Amended: September 27, 2010 Amended: October 12, 2011 Amended: March 22, 2012 Amended: December 6, 2012

Note: The proposed amendments to this docum ent are shown in underline to indicate

additions and strikeout to indicate deleti ons compared to the test procedures as adopted March 22, 2012. [No change] indicate s proposed federal provisions that are also proposed for incorporation herein without change. Existing intervening text that is not amended in this rulemaking is indicated by “ * * * * ”.2

As Amended: December 6, 2012 Date of Hearing: November 15, 2012 * * * *

CALIFORNIA EXHAUST EMISSION STANDARDS AND TEST PROCEDURES
FOR 2004 AND SUBSEQUENT MODEL
HEAVY-DUTY DIESEL ENGINES AND VEHICLES

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PART 86 – CONTROL OF EMISSION S FROM NEW AND IN-USE HIGHWAY
VEHICLES AND ENGINES

I. GENERAL PROVISIONS FOR CERT IFICATION AND IN-USE VERIFICATION
OF EMISSIONS.

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Subpart A - General Provisions for Emission Regulations for 1977 and Later Model Year New Light-Duty Vehicles, Ligh t-Duty Trucks, and Heavy-Duty Engines,
and for 1985 and Later Model Year New Gasoline-Fueled, Natural Gas-Fueled, Liquefied Petroleum Gas-Fueled and Me thanol-Fueled Heavy-Duty Vehicles.

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11. Emission standards for diesel heavy- duty engines and vehicles. [§86.xxx-11]

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A. California provisions.

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5. Standards for Medium-Duty Engines.

5.1 Requirements Specific to Heavy-Duty Engines Used in Medium-Duty Vehicles 8,501 to 10,000 pounds GVW. For the 2004 through 2019 2021 model years, a manufacturer of heavy-duty engines used in medium-duty vehicles 8,501 to 10,000 pounds GVW may choose to comply with the following standards as an alte rnative to the primary emission standards and test procedures specified in title 13, CCR, §1961 or §1961.2, as applicable. A manufacturer that c hooses to comply with these optional heavy-duty standards and test procedures s hall specify, in the application for certification, an in-use compliance test procedure, as provided in title 13, CCR, §2139(c). For the 20202 and subseq uent model years, a manufacturer of heavy-duty engines used in medium- duty vehicles 8,501 to 10,000 pounds3

As Amended: December 6, 2012 Date of Hearing: November 15, 2012 GVW must comply with the primary em ission standards and test procedures specified in title 13, CCR, §1961.2.

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5.3 Exhaust Emission Standards for Medium-Duty Engines. The
exhaust emissions from new 2004 through 2019 2021 model heavy-duty diesel engines used in ultra-low em ission and super-ultra-low emission medium-duty diesel vehicles 8,501 to 10,000 pounds GVW and 2004 and subsequent model heavy-duty diesel engin es used in ultra-low emission and super-ultra-low emission medium-duty diesel vehicles 10,001 to 14,000 pounds GVW shall not exceed: Exhaust Emission Standards for 2004 through 2006 Model Medium-Duty ULEVs and SULEVs

Vehicle

Emission Category NOx + NMHC CO PM HCHO

ULEV 1
Option A 2.5 (with a 0.5 cap on NMHC) 14.4 0.10 0.050

ULEV 1 ; Option B 2.4 14.4 0.10 0.050

Exhaust Emission Standards for 2007 through 2019 2021 Model Medium-Duty ULEVs and SULE Vs 8,501-10,000 lbs. GVW and 2007 and Subsequent Model Medium-Duty ULEVs and SULEVs 10,001-14,000 lbs. GVW

Vehicle

Emission Category NOx NMHC or
NMHCE CO PM HCHO

ULEV 1 0.20 0.14 15.5 0.01 0.050
SULEV 1 0.10 0.07 7.7 0.005 0.025

1 Emissions averaging may be used to meet t hese standards using the requirements for participation averaging, banking and trading programs , as set forth in Section I.15 of these test procedures.

5.4 Optional Standards for Complete and Incomplete Heavy-Duty
Vehicles. Manufacturers may request to group complete and incomplete heavy-duty vehicles into the same test gr oup as vehicles certifying to the LEV III exhaust emission standards and test pr ocedures specified in title 13, CCR, §1961.2, so long as those complete and incomplete heavy-duty diesel vehicles meet the most stringent LEV III standards to which any vehicle within that test group certifies.

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As Amended: December 6, 2012 Date of Hearing: November 15, 2012 II. TEST PROCEDURES

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Subpart H – Engine Fluids, Test Fuels , Analytical Gases and Other Calibration
Standards

1065.701 General requirements for test fuels. April 30, 2010.

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B. California provisions.

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3. Identification of New Clean Fuels to be Used in Certification Testing. Any person may petition the state board to establish by regulation certification testing specifications for a new clean fuel for which specifications for the new clean fuel are not specifically set forth in paragraph §86.1313-98 as amended herein. Prior to adopting such specificat ions, the state board shall consider the
relative cost-effectiveness of use of the fuel in reducing em issions compared to
the use of other fuels. Whenever the state board adopts specifications for a new clean fuel for certification testing, it shall also establish by regulation specifications for the fuel as it is sold commercially to the public. (a) If the proposed new clean fuel ma y be used to fuel existing motor vehicles, the state board shall not est ablish certificatio n specifications for the fuel unless the petit ioner has demonstrated that: (1) Use of the new clean fuel in such existing motor vehicles would not increase emissions of NMHC, NOx, and CO, and the potential risk

associated with toxic air contami nants, as determined pursuant to the procedures set forth in the “California Test Procedures for Evaluating Substitute Fuels and New Clean Fuels through 2014,” as amended March 22, 2012 or the “C alifornia Test Procedures for Evaluating Substitute Fuels and New Clean Fuels in 2015 and Subsequent Years,” as adopt ed March 22, 2012 which are incorporated by reference in title 13, CCR, §2317, as applicable. In

the case of fuel-flexible vehicles or dual-fuel vehicles that were not
certified on the new clean fuel but are capable of being operated on it, exhaust and evaporative emissions from the use of the new
clean fuel shall not increase co mpared to exhaust and evaporative emissions from the use of gasolin e that complies with Title 13, Division 3, Chapter 5, Article 1, California Code of Regulations.

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