[20080111]RS22788_车辆温室气体排放法规：州和联邦标准.pdf

1 Pew Center on Global Climate Change. States Poised to Adopt California Vehicle GHGStandards. Updated December 2007. For more information on state actions on GHGs, see CRSReport RL33812, Climate Change: Action by States To Address Greenhouse Gas Emissions.Order Code RS22788January 11, 2008Regulation of Vehicle Greenhouse GasEmissions: State and Federal StandardsBrent D. YacobucciSpecialist in Energy and Environmental PolicyResources, Science, and Industry DivisionSummaryCalifornia is seeking, under the Clean Air Act, authority to establish greenhousegas (GHG) emissions standards for passenger vehicles. The standards would require a30% reduction in per-mile GHG from 2002 levels by 2016. To implement thestandards, the state must secure a waiver from the Environmental Protection Agency(EPA). In December 2007, the EPA Administrator announced that the agency woulddeny Californias waiver request, in part, because he argues new federal fuel economystandards established in the 2007 energy bill (P.L. 110-140) will be more stringent thanthe California program. California is challenging the agencys denial and its rationale.This report discusses the federal Corporate Average Fuel Economy (CAF