Under California’s mandate, 35% of new 2026 model cars sold in the state must be zero-emissions, ramping up to 68% in 2030 ...

California Gov. Gavin Newsom and environmental groups condemned a resolution headed to President Donald Trump that, if signed, would block the state’s authority to set stricter air standards and phase ...

Many power plants benefiting from exemptions rank among the nation’s worst polluters. The Trump administration says cheaper energy is the goal.

The Senate on Thursday blocked California's landmark mandate phasing out gas-powered cars, dealing a blow to the state's move ...

Firefighters are on the scene of a large grass fire in the Altamont area of Alameda County, officials said. The fire was first reported as 20 acres near Patterson Pass Road and Midway Road around 3:10 ...

A coalition of Louisiana environmental groups is suing the state over a law they say violates their free speech rights by restricting them from sharing information about air quality ...

In its press release, the California Governor’s Office pointed to the decades of precedent upholding California’s waiver, which is protected by the Clean Air Act. It also pointed out that the ...

Trucking groups call it common sense. California and clean-air advocates call it unconstitutional. Here's what just happened to California's emissions rules — and what's next.

Produced primarily by the burning of fossil fuels, ammonium nitrate is a substantial portion of particulate pollution, a ...

California officials announced their intentions on Thursday to file their 23rd lawsuit against the Trump administration — this time, over an attempt to upend the state’s stricter-than ...

California has used federal waivers to help clean up its air quality for decades. The U.S. Senate will likely revoke that ...

The Republican-majority Senate voted to nullify California's landmark environmental rule that would've banned the sale of new ...