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

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

Trump signed measures on 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 ...

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

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.

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

Clean air groups also offered their support for California’s lawsuit. The Environmental Defense Fund said: “We stand with California’s leaders in protecting the health and safety of millions ...

California’s lawsuit over Congressional attempt to end the state’s ZEV waivers targets questions of the action’s legality.

“Our lawsuit will be about ensuring California can enforce its state laws under the Clean Air Act. Waivers granted by the EPA have allowed us to improve our standards—they lower harmful ...