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 June 2 9 th 

### , 2011 we held a conference call with the Engine Manufacturers Association (EMA) to discuss concerns raised by members of EMA regarding heavy

- duty onboard diagnostic (OBD) requirements and timing

. EMA members 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 heavy

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

### Attendees from the EPA included Cleophas Jackson and Anthony Neam. The attendees are presented in the table on the following page; the agenda is also a ttached to this memo.

1 U.S. EPA, NHTSA, and DOT, “Greenhouse Gas Emission Standards and Fuel Efficie ncy 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, “Control of Air Pollution from New Motor Vehicles and New Mot or 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 RADIATIONAttendee Affiliation Ben Zwissler Cummins Inc. Bill Ellison Cummins Inc. Dave Smith Volvo Powertrain Corporation Eric Swenson Navistar, Inc. George Lin Caterpillar Inc. Greg Pataky Cummins Inc. Hwei Jen Kachler Cummins In c. Jackie Yeager Cummins Inc. John Trajnowski Ford Motor Company Ken McAlinden Ford Motor Company Mark Siddall Daimler Trucks North America LLC Mark Stepper Cummins Inc. Matt Smith Navistar, Inc. Michiel J. Van Nieuwstadt Ford Motor Company Monika Minarcin Navistar, Inc. Rebecca Shelby Ford Motor Company Steve Yarosz Isuzu Susumu Ariga Hino Suzy Stuber Navistar, Inc. Tim Gundrum PACCAR Inc. Tom Sloane PACCAR Inc.333 West Wacker Drive, Suite 810 | Chicago, Illinois 60606 T elephone: (312) 929

- 1970 | Facsimile: (312) 929

- 1975 

### TO: Heav y
- Duty

On

- Board Diagnostics Committee Hy brid Certification Committee FROM: Lisa A. Stegink
DATE: June 21, 2011
RE: June 29, 2011, Joint EMA/EPA Conference Call

**CONFERENCE CALL NOTICE**

DATE: Wednesday , June 29, 2011
TI ME: 1:00 p.m. (Chicago time)
DI AL IN #: (334) 323

- 9858 PASS CODE: 40732955# CHAI R: Lisa A. Stegink Dial

- in to the number above and when prompted enter the participant pass code.

This is a joint EPA

- EMA conference call meeting to discuss implementation of OBD for heav y
- dut y h ybrids. The agenda is as follows:

I. R eport from EPA on Status II. Next Steps

If you have an y questions, please do not hes itate to contact me.

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