Opponents of California's waiver, which had been adopted by 11 other states and Washington, D.C., called it economically ...

GOP lawmakers passed resolutions rescinding federal approval of California’s plans to require that all car sales be zero-emission by 2035, as well as policies limiting nitrogen oxide emissions and ...

Legal experts say Congress misused a federal law to do so, potentially “opening up a Pandora’s box it cannot close.” ...

California is preparing to sue the federal government to recover its right to set vehicle emissions standards, Rob Bonta, the ...

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

Opponents of SB 607 argue that the bill would gut California's landmark environmental law, the California Environmental ...

State officials vowed to sue the Trump administration, calling it an attack on the state’s decadeslong effort to fight ...

The U.S. Senate voted early Thursday to prevent California from enforcing regulations on tailpipe emission from new cars and ...

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 ...

U.S. senators on Thursday blocked California's landmark mandate phasing out gas-powered cars, dealing a blow to the state's ...