California sued Donald Trump's administration Thursday over his move to scrap the state's tailpipe emission rules and its ...

President Donald Trump signed a Congressional Review Act resolution Thursday that revokes California’s authority to set ...

Trump signed measures Thursday revoking waivers for the state's mandates that clean up car and truck exhaust and ramp up ...

Trump signed measures on Thursday revoking waivers for the state’s mandates that clean up car and truck exhaust and ramp up ...

The State of California’s battle against the Donald Trump administration revved up again today as it sued the President over his move to scrap its tailpipe emission rules and its drive to phase out ...

and rolling back the Biden Administration’s rules on tailpipe emissions and fuel economy standards, Reuters reports, citing a draft document it has seen. During the campaign, President-elect ...

Washington Governor Bob Ferguson's office criticized the Senate decision Thursday to block California’s rule ... emission waivers. As a result, 23 states including Washington and California sued ...

California plans to erase parts of a rule created to clean up the state’s ... Trump’s EPA first revoked California’s waiver for tailpipe emissions in his first term, but California sued in response.

Even before the Supreme Court ruling last week, the American Petroleum Institute (API) challenged the new tailpipe emissions rules in court. API sued the EPA over the vehicle emission standards ...

California, the nation's wealthiest state with around 40 million people, has long used a waiver in the Clean Air Act to set its own emissions standards as it tries to mitigate some of the worst ...