The state quickly announced it was challenging the move in court, with California’s attorney general holding a news conference before Trump’s signing ceremony ended.

Gas-powered cars and diesel trucks remain the state’s largest sources of smog and soot despite decades of cutting emissions.

The state excise tax just went up, the Low Carbon Fuel Standard is getting more strict and 2 refineries are shutting down.

In Southern California, large warehouses must take steps to reduce the pollution caused by truck visits, either by switching ...

He signed a congressional resolution intended to reverse a ban on gas-powered cars and trucks in California and other states.

The tax comes from Senate Bill 1, which became law in 2017. Also known as the Road Repair and Accountability Act, it allows ...

The tax break of up to $7,500 on new or leased electric vehicles, as well as the $4,000 credit for used EVs, will be gone after Sept. 30. To clean energy advocates in California and around the country ...

In an unrelated action, California’s gasoline excise tax, which is adjusted annually, increased 1.6 cents per gallon on ...

When President Donald Trump signed legislation to revoke California’s authority to enforce stricter tailpipe emissions ...