UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

NATIONAL VEHICLE AND FUEL EMISSIONS LABORATORY

2000 TRAVERWOOD DRIVE

ANN ARBOR, MI  48105-2498

									     OFFICE OF

									AIR AND RADIATION

9-23-15

MEMORANDUM

SUBJECT: Transmission modeling and ranking and CBI discussion on
transmission with Eaton

FROM: Houshun Zhang

TO:  Greenhouse Gas Emissions Standards and Fuel Efficiency Standards
for Medium- and

Heavy-Duty Engines and Vehicles - Phase 2 - Docket EPA-HQ-OAR-2014-0827

This memo documents communication on September 23, 2015 between Eaton
and EPA to discuss the latest transmission model modification proposed
in the Phase 2 greenhouse gas and fuel efficiency standards for
heavy-duty vehicles notice of proposed rulemaking.  The draft
presentations are enclosed.  In addition, Eaton presented their
confidential business information from perspective on the rulemaking. 

