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

The Republican-majority Senate's decision to revoke California's planned ban on vehicles that run on fossil fuels defies congressional norms, and threatens the state's climate adaptation goals.

The U.S. Senate on Thursday voted to block California’s first-in-the-nation regulations that would ban the sale of new gasoline-powered passenger vehicles statewide in 2035, setting up a certain legal battle over the future of electric cars in the United States.