In December, the EPA approved two California waiver requests, including its rule mandating that 100 percent of cars sold in the state be zero emission by 2035. The Trump administration could try ...

SACRAMENTO, Calif. (AP) — California’s efforts to limit pollution from diesel-powered trains and big rigs were stalled in anticipation of pushback from the incoming Trump administration.

California has decided to abandon its groundbreaking regulations phasing out diesel trucks and requiring cleaner locomotives because the incoming Trump administration is unlikely to allow the ...

The GOP is ignoring a Government Accountability Office opinion against their plans to undo the Biden administration’s approval of California car pollution rules. Republicans aren’t letting a ...

But environmental groups were quick to condemn the plan as an abdication of the EPA’s responsibilities to Americans. In climate-conscious California, they say, it could reverse decades of progress.

But environmental groups were quick to condemn the plan as an abdication of the EPA's responsibilities to Americans. In climate-conscious California, they say, it could reverse decades of progress.