Aug 8, 2008· Environmental Defense Fund (2) Attachments· NHTSA-2008-0089-0456
Environmental Defense Fund (EDF) respectfully submits the following supplemental comments on NHTSA's Notice of Proposed Rulemaking (NPRM) for "Average Fuel Economy Standards for Cars and Light Trucks; Model Years 2011-2015" [Federal Register 73(86): 24352-24487, May 2, 2008], building upon our earlier comments submitted July 1st, 2008. EDF submits the EPA document, "Technical Support Document on Benefits of Reducing GHG Emissions," and the following discussion of the Technical Support Document's (TSD) findings. The TSD was not publicly available at the time comments were due but has central relevance for NHTSA's rulemaking.