Bill SB 712, dubbed “Leno’s Law,” originally would have allowed vehicles 35 years or older to avoid the state’s requirement ...

The South Coast Air Quality Management District is poised to vote on regulations that would limit emissions of nitrogen ...

Opponents say the rules would have limited consumers’ choices and driven up costs, while supporters say they are critical for ...

Smog-check changes in the Golden State could be imminent thanks to the Senate Appropriations Committee’s “yes” vote.

California isn't just one of America's car culture hotspots — it's one of the world's epicenters of the motoring industry, and it's been that way since the dawn of the automobile. The Golden ...

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

For decades, California has been able to adopt its own emissions regulations, effectively setting the bar for carmakers ...

California lawmakers moved forward with hundreds of proposed new laws this week as they faced a major deadline that marks the ...

Air quality regulators in Southern California voted 7 to 5 to reject rules that would have curbed harmful emissions from ...

No one can doubt anymore that President Trump has carried out a “war” on California in both his presidential terms, harming this state’s reputation, capabilities and privileges in ways no other ...