One of the rules California pulled after the EPA failed to approve it would ... that U.S. EPA was unable to act on all the ...

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 ...

California and 18 other states have been waiting patiently for a reason why the EPA denied them emissions waivers even after the government agency's own scientists recommended that the waivers be ...

Seeing the writing on the wall, the California Air Resources Board already has withdrawn its waiver request for the U.S. Environmental Protection Agency’s approval of its Advanced Clean Fleets ...

To fully end the de facto EV mandate, the Trump administration will have to deal with the third prong of former President Joe Biden’s war on gas-powered cars — the EPA waiver for California’s ...

Republicans want to use the Congressional Review Act to undo the Biden administration’s action. Congress can’t use the Congressional Review Act against California’s aggressive plans to cut ...

“California has longstanding authority to request waivers from EPA to protect its residents from dangerous air pollution coming from mobile sources like cars and trucks,” said EPA administrato ...

(AP) — California ... its requests for federal approval to implement stricter emissions rules for locomotives and semi-trucks because the U.S. Environmental Protection Agency had yet to ...