Air quality regulators in Southern California heard impassioned public comments Friday before an anticipated vote on proposed ...

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

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

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 ...

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

These new regulations, kicking in on July 1, are expected to increase the cost of fuel in California by 65 cents per gallon.

Senator Shannon Grove is revved up to announce that Senate Bill 712, also known as Leno’s Law, has successfully passed off the Senate Floor with strong bipartisan ...

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

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

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 ...