89 FR 27842
EPA established new emissions standards for criteria pollutants and greenhouse gases (GHGs) for light- and medium-duty vehicles that will phase in over model years 2027 through 2032; finalized revisions to the GHG program; established new standards to control refueling emissions from incomplete medium-duty vehicles, as well as battery durability and warranty requirements for light- and medium-duty electric and plug-in hybrid electric vehicles; and finalized minor amendments to update program requirements related to aftermarket fuel conversions, importing vehicles and engines, evaporative emission test procedures, and test fuel specifications for measuring fuel economy.