President Donald Trump is set to sign a measure on Thursday morning preventing California from banning the sale of ...

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 ...

Air quality regulators in Southern California have rejected rules that would have curbed harmful emissions from gas-powered ...

Lawmakers required that vehicles 35 years or older seeking the smog check exemption must have a historical vehicle license ...

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