Led by California, nearly two dozen states sued the Trump administration on Friday over its rollback of fuel efficiency standards for cars, arguing that the move was based on a fa ...

But one entity still has enough sway, and just enough regulatory authority, to keep pressing car companies toward greater ...

The Trump administration has opened a new front in its long running battle with California over climate policy, this time targeting the state’s push to phase out gasoline cars. The result is a clash ...

Takeaway: This ruling reinforces the importance of uniformity in regulating commercial motor vehicle safety. The court, applying the “arbitrary and capricious” standard of review, held that the ...