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

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

California officials on Thursday filed their 26th lawsuit against the Trump administration, after the president signed ...

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

A group of 11 states led by California on Thursday filed suit challenging a repeal by Congress of the state's 2035 electric ...

California sued the Trump administration on Monday, June 9, over its federalization of the state’s National Guard, alleging ...

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

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

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

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

In his second term, Trump has repeatedly attacked California’s ambitious auto emission rules, including the Advanced Clean Cars II regulation, which he has incorrectly described as an electric vehicle ...

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