Trump signed three measures revoking California's waivers for rules that clean up cars and trucks. California and 9 other ...

California is taking the Trump administration to court again, this time over the administration's blocking of the state's ...

Trump signed measures Thursday revoking waivers for the state’s mandates that clean up car and truck exhaust and ramp up ...

The state’s latest lawsuit charges the administration with illegally targeting its authority to set tougher vehicle-emission ...

President Donald Trump has signed resolutions blocking California's electric vehicle and diesel engine rules, prompting an ...

Legislation signed by President Trump impacting California’s clean truck rules immediately brought a lawsuit from the state.

California Gov. Gavin Newsom (D) has argued that the deployment is “an illegal act, an immoral act, an unconstitutional act.” ...

California sued to protect itself from the Trump administration’s threats to pull federal funding over a state law that ...

California formally sued the Trump administration Monday in a bid to void President Trump’s weekend move to federalize the ...

Ten more states joined the suit filed today against President Trump and the Environmental Protection Agency (EPA). Congress recently voted to revoke EPA waivers that allow California to set tougher ...

The state’s attorney general argued that local law enforcement had been capable of handling the situation and could have ...