The Southern Environmental Law Center on behalf of the NAACP filed a 60-day intent to sue notice against xAI for alleged ...

The U.S. Supreme Court sided with Utah in a case about clean air regulations on Wednesday, a decision the state's solicitor ...

The US Supreme Court’s new standard for when the Environmental Protection Agency can move Clean Air Act enforcement disputes ...

Could a Supreme Court decision regarding a challenge to California's Clean Car standards eventually have implications for ...

NY Attorney General Letitia James sues Trump administration for trying to rescind California's Clean Air Act waivers.

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

California and other states have held that right for 50 years, granted by the federal EPA. California promises another legal ...

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

These restrictions were imposed by Joe Biden to “advance the climate change cult” and the “green new scam,” according to Lee ...

The Western States Trucking Association believes the CTP is a regulation, meaning CARB did not follow state rules in ...

House Republicans are again taking aim at the Clean Air Act, citing the need to bolster the United States’ global competitiveness. The Energy and Commerce Subcommittee on Environment will hold a ...