Donald Trump is resuming his slugfest with California — this time over the future of the car industry — more than a month ...

President-elect Donald Trump has vowed to undo California's special permission to exceed federal emissions rules for cars.

Recent decisions by the Supreme Court and the EPA appear to favor California's 2035 ban on gas-powered cars and trucks.

The California rule is stricter than a federal rule adopted this year that tightens emissions standards but does not require ...

On Wednesday the EPA granted two requests from California to enforce strict standards for vehicle emissions, including a rule ...

The US EPA granted California’s waiver, which the incoming Trump administration is likely to try to overturn in the courts.

The Trump administration is expected to revoke the program, setting up a legal clash between the state and federal government ...

California and 11 other states want to halt the sale of new gas-powered cars by 2035. President-elect Donald Trump is ...

The state says the rule is crucial to meeting greenhouse gas emission reduction targets and cutting smog-forming pollutants.