The Republican-led Senate moved Wednesday to overturn key Biden-era waivers allowing California to set its own vehicle ...

The Senate has voted to block California’s first-in-the nation rule banning the sale of new gas-powered cars by 2035.

State officials vowed to sue the Trump administration, calling it an attack on the state’s decadeslong effort to fight ...

Senate Republicans led the push to block California's ability to impose tough limits on car emissions — a move Democrats call ...

California’s authority to set environmental rules that are tougher than national standards had never been challenged by ...

The Republican-majority Senate's decision to revoke California's planned ban on vehicles that run on fossil fuels defies ...

Senate Republicans have voted to establish a new precedent that will allow them to roll back clean air standards in ...

The U.S. Senate on Thursday voted to block California’s first-in-the-nation regulations that would ban the sale of new ...

Legal experts say Congress misused a federal law to do so, potentially “opening up a Pandora’s box it cannot close.” ...

The U.S. Senate on Thursday voted to bar California's landmark plan to end the sale of gasoline-only vehicles by 2035 that ...

Smog-check changes in the Golden State could be imminent thanks to the Senate Appropriations Committee’s “yes” vote.

The U.S. Senate will move this week to block California from enforcing a series of vehicle emissions standards that are ...