The Trump administration's decision to stop California from setting its own emission standards for cars and trucks would undermine the state's ability to convince the world's largest automakers that they should make more environmentally friendly vehicles.

The Trump administration's proposal to roll back national fuel economy standards was headed for its second public hearing a day after California officials and scores of speakers blasted it as a danger to the environment and public health. The second...

Citing safety, the Trump administration on Thursday proposed rolling back car-mileage standards, backing away from years of government efforts to cut Americans' trips to the gas station and reduce unhealthy, climate-changing tailpipe emissions.If the propo

President Donald Trump told leaders of the world's top automakers on Friday that he wants to see more cars built in the United States as his administration weighs plans to reduce gas mileage and pollution requirements enacted during the Obama...

Environmental regulators announced on Monday they will ease emissions standards for cars and trucks, saying that a timeline put in place by President Barack Obama was not appropriate and set standards too high.The Environmental Protection Agency said it co