[20180718]IF10927_第2阶段中重型发动机和车辆的温室气体排放和燃油效率标准.pdf

https:/crsreports.congress.gov July 18, 2018Phase 2 Greenhouse Gas Emissions and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and VehiclesOn October 25, 2016, the U.S. Environmental Protection Agency (EPA) and the National Highway Traffic Safety Administration (NHTSA) jointly published the second phase of greenhouse gas (GHG) emissions and fuel efficiency standards for medium- and heavy-duty vehicles and engines (81 Federal Register 73478) through their authorities under the Clean Air Act (CAA), as amended, and the Energy Independence and Security Act of 2007 (P.L. 110-140). The Phase 2 rule sets emission standards for tractor-trailers, vocational vehicles, and heavy-duty pickup trucks and vans. The rule expands on the Phase 1 standards (promulgated on September 15, 2011, for model years MYs 2014 through 2018; 76 Federal Register 57106) and introduces first-ever controls on trailers (i.e., the part of the vehicle pulled by the tractor) and glider vehicles (i.e., a new chassis combined with an older engine). The standards phase in between MY 2021 and MY 2027 for engines and vehicles and between MY 2018 and MY 2027 for trailers and gliders. The agencies outline sever