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

The Republican-majority Senate voted to nullify California's landmark environmental rule that would've banned the sale of new ...

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

Calling a move to block a ban on the sale of new gas-powered cars by 2035 "illegal" and "an unconstitutional attack," Newsom ...

Senate Republicans oppose California's car emissions rules, questioning the EPA's authority and potential nationwide effects.