District of Columbia Economy Fuel Economy Gas 
Green Car Congress
AUGUST 29, 2022
A new University of Michigan study finds that making the switch to all-electric mail-delivery vehicles would lead to far greater reductions in greenhouse gas emissions than previously estimated by the US Postal Service (USPS). An all-electric fleet would reduce lifetime greenhouse gas emissions by 14.7 Earlier post.). Woody et al.
Green Car Congress
NOVEMBER 3, 2014
million greenhouse gas emission credits that the companies previously claimed, which are estimated to be worth more than $200 million. million greenhouse gas (GHG) emission credits. Automakers earn greenhouse gas emissions credits for building vehicles with lower emissions than required by law. Hyundai will pay a $56.8-million
Green Car Congress
JUNE 30, 2009
The US Environmental Agency (EPA) has granted California’s waiver request enabling the state to enforce its greenhouse gas emissions standards (Pavley I) for new motor vehicles, beginning with the current model year. The resulting new national standards will cover model years 2012-2016, and will require an average fuel economy standard of 35.5
Green Car Congress
SEPTEMBER 21, 2019
These standards are followed, in whole or part, by 13 other states and the District of Columbia. In its argument, the states conflate the multiple-decade history of state regulation of criteria pollutants with the more recent addition of greenhouse gas regulations and the ZEV mandate. Earlier post.).
The Truth About Cars
APRIL 9, 2024
For those that don’t recall this particular saga of the Great American Gas War, the EPA reinstated a waiver under the Clear Air Act that allowed California to establish vehicle emission rules that went beyond federal standards in 2022. On Tuesday, a U.S.
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