California would be the first U.S. state to mandate 100% zero-emission vehicles, though 15 countries have committed to phasing out gas-powered cars.| Los Angeles Times
Reversing a Trump move, the EPA will allow California to set emissions standards stricter than the federal government's. But court fights may get in the way.| Los Angeles Times
President Trump's administration, with help from the Republican-led Congress, may pull the state's ability to set its own fuel-efficiency rules.| Los Angeles Times