The EPA formally repealed the 2009 endangerment finding that greenhouse gases are a pollutant that threaten public health.

Repsol and Horse Powertrain say they have developed a hybrid powertrain system that can cut fuel consumption by up to 40% ...

A group of environmental organizations filed suit against the Environmental Protection Agency Wednesday for cutting rules to lower tailpipe pollution.

Carmakers now have leeway to build vehicles for U.S. drivers that spew more greenhouse gases. Yet the global shift toward electric cars and trucks means that approach carries more risk than it would ...

The Center for Biological Diversity and a broad coalition of health and environmental groups sued the Trump administration today over its rollback of the landmark scientific finding that forms the ...

“You’re going to get a better car, a car that starts easier, a car that works better, for a lot less money,” said Trump from a podium in the White House’s Roosevelt Room, as he unveiled what he ...

The E.P.A.’s killing of the “endangerment finding” caps a year of deregulation that is likely to make cars thirstier for gas and less competitive globally, experts say.

A coalition of health and environmental groups filed a lawsuit against the Trump administration challenging its decision to revoke scientific findings essential for U.S. climate regulations and to ...