Lawmakers required that vehicles 35 years or older seeking the smog check exemption must have a historical vehicle license plate, which costs $25 in addition to regular registration fees and which

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 ...

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

Air quality regulators in Southern California have rejected rules that would have curbed harmful emissions from gas-powered furnaces and water heaters

For decades, California has been able to adopt its own emissions regulations, effectively setting the bar for carmakers nationally. And for just as long, Republicans have resented the state’s outsize influence.

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

This prevents California from fully implementing laws related to clean air, including the Advanced Clean Cars II legislation. Before catalytic converters were mandated, smog choked California ...