State officials working to make amends for botched rollouts of a long-delayed electric-bike program have introduced new ...

California Gov. Gavin Newsom and environmental groups condemned a resolution headed to President Donald Trump that, if signed ...

For nearly 60 years, California has enjoyed the ability to set its own standards governing air pollution from automobiles, as ...

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

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 ...

Senate Republicans voted to overturn California’s electric-vehicle mandate via the Congressional Review Act, defying the GAO ...

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

The Senate on Thursday passed joint resolutions formally disapproving of California's Advanced Clean Trucks and Omnibus ...

The U.S. Senate voted Thursday to prevent California from enforcing regulations on tailpipe emission from new cars and trucks ...

Today’s decision could upend California’s phaseout of gas-powered cars and diesel trucks, and its battle against air ...