Documents outlining the EPA's plan to roll back vehicle emission standards reference California by name 27 times.

Experts say the EPA's move to reverse the endangerment finding is dangerous for the nation. But California may have tools to ...

EPA rollback of climate rules could weaken California’s clean air authority and trigger legal battles over greenhouse gas ...

California and environmental groups fiercely criticized the EPA's plans to undo the endangerment finding that enables ...

The decision could have far-reaching consequences — including for oil companies, which may be exposed to a flood of new ...

Stringent tailpipe emissions and mileage rules were part of the Biden administration’s pledge to clean up the nation’s ...

The Trump administration has effectively eliminated two rules designed to promote cleaner cars. Now, as the EPA suggests not ...

The Trump administration said on Tuesday it will rescind the long-standing finding that greenhouse gas emissions endanger ...

LOS ANGELES (AP) — Former Vice President Kamala Harris will not run for California governor next year, leaving open the ...

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

California's insane eco-plans end up setting national policy because they are copied by 18 states. The EPA let them get away with through waivers. Now, it's time to shut that down.

Winston Hickox, head of the California EPA, said that the MTBE ban, to be imposed in California at the end of 2002, may now have to be postponed.