California's affordability crisis could lead to more relaxed emissions standards, according to a plan introduced by state ...

The U.S. Environmental Protection Agency plans to repeal all greenhouse gas emission standards for light-duty, medium-duty, ...

Limiting trucks to no more than 65 mph nationally might have saved lives and fuel costs, but Trump regulators say it would ...

The U.S. Environmental Protection Agency is set to repeal greenhouse gas emission standards for vehicles, questioning the ...

California has been slow to implement its landmark law but is well ahead of other states and the feds on making corporations cough up climate data.

The proposal regards a previously submitted smog control plan for the San Joaquin Valley, which has long had some of the nation’s dirtiest air.

A panel of Castaic and Val Verde residents frustrated by the daily impacts from Chiquita Canyon Landfill shared their ...

Ever since the 1960s, California has been able to set its own emissions standards that are more stringent than the rest of the country. It started as an effort to combat LA's smog, implemented by ...

Legally speaking, what's at issue is not technically the emissions and electrification rules themselves, but the way they were implemented. California has long suffered from poor air quality and ...

President Donald Trump on June 12 hosted a signing ceremony at the White House with freight and trucking executives to formally roll back a Biden-era emissions policy.