President Trump announced a plan to weaken vehicle mileage rules for the auto industry.

Owners and operators of large fleets and drayage vehicles in California have been in a regulatory limbo since 2023. This uncertainty may end soon. The California Air Resources Board has proposed to ...

California set a record for sales of zero-emission vehicles over a three-month period, as customers rushed to buy electric vehicles and plug-in hybrids before federal tax credits expired at the end of ...

Editor’s note: This article, distributed by The Associated Press, was originally published on The Conversation website. The Conversation is an independent and nonprofit source of news, analysis and ...

The changes come after public utilities warned that zero-emission purchasing rules could disrupt emergency response efforts. California air quality regulators on Thursday repealed the state’s ...

SACRAMENTO AP _ California sued the federal government on Thursday to force a decision about whether the state can impose the nation's first greenhouse gas emission standards for cars and light trucks ...

Tractor-trailers line the lot behind the Sacramento 49er Travel Plaza in March 2020. A federal judge in Sacramento is set to hear a lawsuit Friday from four major truckmakers challenging California’s ...