"This is the same authority that underpins New Mexico’s rules," according to a state Environment Department spokesperson.

Steve Hilton made a stop in Chico, part of his effort to engage with Californians throughout the state as he campaigns for ...

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

GOP lawmakers passed resolutions rescinding federal approval of California’s plans to require that all car sales be zero-emission by 2035, as well as policies limiting nitrogen oxide emissions and ...

This story was originally published . Sign up for their newsletters. By Alejandro Lazo and Alejandra Reyes-Velarde, ...

California Gov. Gavin Newsom (D) announced his intentions on Friday to help launch a multistate, clean car-focused coalition after the Senate voted to upend the Golden State’s ...

Legal experts say Congress misused a federal law to do so, potentially “opening up a Pandora’s box it cannot close.” ...

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 ...

California has passed a net metering bill that could worsen residential solar owners’ rates when acquiring a property.

Not only is California's phase-out of internal-combustion vehicles by 2035 in the crosshairs, its ability to set its own environmental standards is, too.

California is preparing to sue the federal government in recover its right to set vehicle emissions standards, Rob Bonta, the ...