UNITED STATES ENVIRONMENTAL PROTECTION AGENCY NATIONAL VEHICLE AND FUEL EMISSIONS LABORATORY 2565 PLYMOUTH ROAD ANN ARBOR, MICHIGAN 48105

- 2498

MEMORANDUM

SUBJECT: Heavy

- Duty Hybrid Onboard Diagnostics

FROM: Amy Kopin

TO: The Docket

DATE: July 21, 2011



### On April 12 th 

### , 2011 from 2

- 3 p m EST, we met with the Engine Manufacturers Association (EMA) to discuss concerns raised by E MA regarding heavy

- duty onboard diagnostic (OBD) requirements and timing . EMA raised concern s during the comment period for the heavy

- duty greenhouse gas notice of proposed rulemaking that heavy

- duty hybrid applications may not be able to meet the 2013 he avy

- duty OBD regulations that were published in the 2009 OBD Final Rulemaking. 1
, 2 

### Attendees from the EPA and EMA are presented in the tables below, the agenda is also attached at the end of this memo

.

EPA Attendees:

Attendee Affiliation Cleophas Ja ckson EPA

– Compliance and Innovative Strategies Division Anthony Neam EPA

– Assessment and Standards Division Amy Kopin EPA

– Assessment and Standards Division

1 U.S. EPA, NHTSA, an d DOT, “Greenhouse Gas Emission Standards and Fuel Efficiency Standards for Medium

and Heavy

- Duty Engines and Vehicles,” republished December 29, 2010. Available here: http://origin.www.gpo.gov/fdsys/pkg/FR

- 2010

- 12

- 29/html/2010

- 32726.htm 2 U.S. EPA, “Co ntrol of Air Pollution from New Motor Vehicles and New Motor Vehicles Engines; Final Rule Regulations Requiring Onboard Diagnostic Systems on 2010 and Later Heavy

- Duty Engines Used in Highway Applications Over 14,000 Pounds; Revisions to Onboard Diagnostic Requirements for Diesel Highway Heavy

- Duty Vehicles Under 14,000 Pounds ,” published February 24, 2009. Available here: http://www.epa.gov/otaq/regs/im/obd/regtech/hd

- obd

- frm

- 02

- 24

- 09

- notice

- 74

- fr

- 8310.pdf OFFICE OF AIR AND RADIATION

### EMA: Attendees:

Attendee Affiliation
Bill Ellison Cummins Inc. Dan Kieffer PACCAR Inc.
Dave Ferris General Motors Company Dave Kayes Daimler Trucks North America LLC Dave Smith Volvo Powertrain Corporation Don Keski

- Hynnila Daimler Trucks North America LLC Frank Krich Chysler Group LLC George Lin Caterpillar Inc. Greg Pataky Cumm ins Inc. Hwei Jen Kachler Cummins Inc. Jackie Yeager Cummins Inc. John Trajnowski Ford Motor Company Karl Tasik Volvo Powertrain Corporation Lennart Lindholm Volvo Powertrain Corporation Lisa Stegink EMA Mark Siddall Daimler Trucks North America LLC Mark Stepper Cummins Inc. Matt Duffy Caterpillar Inc. Matt Smith Navistar, Inc. Michiel J. Van Nieuwstadt Ford Motor Company Rebecca Shelby Ford Motor Company Scott Crafard Isuzu Susumu Ariga Hino Tom Sloane PACCAR Inc.333 West Wacker Drive, Suite 810 | Chicago, Illinois 60606 Telephone: (312) 929

- 1970 | Facsimile: (312) 929

- 1975 

### Joint EMA

**- EPA Call on Hybrids for OBD** 

**April 12, 2011**

**Agenda**

1. Introduction

2. Overview

3. Current technology

a. What capability

do the production sy stems have today ?

4. Industry ’s interim plan for now to 2019/20 2 0

a. Specific monitor and/or other difficulties they anticipate having

b. Need to understand exactly what OBD delay

means in terms of vehicle certification and powerpack certification , e.g., what monitors will be functional and which will not be functional

c. How to ensure no tampering and s ys tem is functioning properl y?

d. Review OBD requirements for alternative fuels

5. Standardization and communication

a. What are specific concerns with J1939 ?

6. Access to information

a. HMRC states that HD hybrid sy stem manufacturers do not “have access to OBD sy stem [engine] data,” is this issue being activel y resolved?

b. Engine manufacturers assert a lack of access to h ybrid system control s ys tems

- what specific information is needed?

7. Liability

and warrant y issues

a. Are liability

and warranty

concerns different from other emission control technology

purchased from suppliers today ? Why ?

8. Next steps