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

California sued Donald Trump's administration Thursday over his move to scrap the state's tailpipe emission rules and its ...

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

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

Gov. Gavin Newsom posted on social media that "Commandeering a state's National Guard without consulting the Governor of that ...

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

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

US President Donald Trump has signed several resolutions passed by Congress into law – including a measure to block ...

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

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

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

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