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

Six months after fire struck a giant lithium-ion battery storage facility, the EPA has endorsed a plan to remove the highly ...

The U.S. Environmental Protection Agency announced it is rolling back decades-old emissions standards for cars and trucks and ...

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

Efforts to more strictly regulate the chemical, known as hydrofluoric acid and modified hydrofluoric acid, are escalating to ...

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

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

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

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

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.

For decades, California has made environmental policy as if it were a sovereign nation, not an equal member of the Union. The federal government granted it this privilege on the premise that the ...

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.