The agency plans to argue that carbon emissions from power plants do not contribute “significantly” to climate change.

Today, the U.S. Senate has voted to block California’s landmark plan to phase out gasoline-only vehicles by 2035 in a ...

The memorandum, titled “Rescission of Useless Water Pressure Standards,” accuses water efficiency standards with creating a ...

For nearly 60 years, California has enjoyed the ability to set its own standards governing air pollution from automobiles, as ...

The U.S. Senate joined the House in voting to revoke strict state-level emissions standards enacted by California's Air ...

The Senate repealed California’s de facto national EV mandate Thursday morning, delivering on a key pledge of President ...

State officials vowed to sue the Trump administration, calling it an attack on the state’s decadeslong effort to fight ...

The U.S. Senate voted early Thursday to prevent California from enforcing regulations on tailpipe emission from new cars and ...

Lawmakers in Washington have voted to block California’s landmark law to ban new gasoline-powered cars by 2035. The Senate ...

Senate Republicans voted to overturn California’s electric-vehicle mandate via the Congressional Review Act, defying the GAO ...

California has enjoyed the ability to set its own standards governing air pollution from automobiles, as long as they’re more stringent than the federal government’s. This rule, written into the Clean ...

Tonight's decision could upend California’s phaseout of gas-powered cars and its decades-long battle against air pollution.