Sentences with phrase «national tailpipe emissions»

We successfully challenged the Bush administration's refusal to let California implement its own, stricter - than - national tailpipe emissions limits under the Clean Air Act, and in June 2009 the EPA issued a waiver to let California enforce its own automobile emissions rules, which also allowed a dozen other states to enforce the same rules.

Neutered two years ago from the collapse of new - vehicle sales amid a foundering economy, auto makers dropped their historically combative stance over stricter rules and gave over to an historic hike in CAFE in return for a single national tailpipe emissions standard.

Not exact matches

Lackner and colleagues argued in a paper published last July in Proceedings of the National Academy of Sciences that air capture may prove the only way to deal with greenhouse gas emissions from transportation, all those tailpipes and engine exhausts on the world's millions of cars, airplanes and other vehicles.

2011 (August) National Program Standards Phase I (Heavy Duty) Sets Medium and Heavy Duty Vehicles fuel efficiency and tailpipe emissions standards estimated to reduce CO2 emissions by about 270 million metric tons and save about 530 million barrels of oil over the life of the vehicles built in model years 2014 - 2018.