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 ...

The new rules would have set increasing targets for sales of zero-emission products over the next decade. Opponents say they ...

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 ...

Air quality regulators in Southern California are debating proposed rules that would curb harmful emissions from gas-powered ...

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 ...

Appliances that are among the leading causes of smog could be phased out in Southern California after regulators vote on Friday. The South Coast Air Quality Management District Governing Board ...

President Donald Trump is expected to sign two Congressional resolutions that will revoke the U.S. Environmental Protection ...