Qualifying collector cars will gradually become exempt from smog checks beginning Jan. 1, 2028.

California Finally Cuts Classic Truck and 4x4 Owners a Break — Here's Everything You Need to Know About Leno's Law For decades, owners of vintage trucks and classic 4x4s in California have faced a r ...

California currently exempts vehicles from the 1975 model year and earlier. Anything newer generally remains subject to smog ...

Governor signs smog-check break co-authored by San Jose lawmaker for some late-1970s to early-1980s autos beloved by ...

Long before "air quality" became a data point in our weather apps, smog was a terrifying mystery, rolling into cities like a ...

A historic bill aimed at easing California's strict emissions regulations for older collector cars has officially passed the state legislature with overwhelming bipartisan support.

Gov. Gavin Newsom visited Jay Leno's Burbank garage to sign SB 1392, a new bill that expands smog check exemptions for certain collector cars.

Over the course of five days in 1952, the city of London was blanketed in a thick layer of poisonous air that would result in the deaths of thousands. The Great Smog of 1952 killed 12,000 people. At ...

Government officials whose job it is to clean the nation’s worst smog from Southern California’s air should be embarrassed. Instead of working together to cut lung-damaging ozone pollution, they are ...

Even if you weren’t around Los Angeles in 1992, you’ve heard of Rodney King, the man whose videotaped beating at the hands of the LAPD put a match to the ensuing riots. As sometimes destructive ...

Q: Why does the Model Year 2018 smog ratings chart look so different from previous years? New federal (EPA Tier 3) emission standards are in effect for MY 2018+, with many auto manufacturers taking ...