UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

NATIONAL VEHICLE AND FUEL EMISSIONS LABORATORY

2000 TRAVERWOOD DRIVE

ANN ARBOR, MI  48105-2498

									     OFFICE OF

									AIR AND RADIATION

10/15/15

MEMORANDUM

SUBJECT: Test Procedure Review with Cummins, Volvo, Navistar, Paccar,
Eaton and Allison

FROM: James Sanchez

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 October 15, 2015 between
representatives of Cummins, Volvo, Navistar, Paccar, Eaton, Allison, and
EPA to discuss heavy-duty test procedures proposed in the Phase 2
greenhouse gas and fuel efficiency standards for heavy-duty vehicles
notice of proposed rulemaking.  The draft presentations are enclosed.

EPA also presented some preliminary results from testing conducted at
Southwest Research Institute.  The results showed the performance of a
few numerical schemes to interpolate and extrapolate data from the
alternative engine mapping procedure.

Participants: 

