California has deployed emissions monitoring devices to monitor the exhaust of heavy-duty vehicles as they pass and flag potential violators of emissions regulations. The California Air Resources ...

Add Yahoo as a preferred source to see more of our stories on Google. Smog hangs in the air as the sun sets after a hot day in the Los Angeles Basin on Wednesday, Oct. 4, 2023. (Luis Sinco / Los ...

State lawmakers in Sacramento have pumped the brakes on a bill pushed by comedian and famed car collector Jay Leno to make older cars exempt from smog checks in California. Bill SB 712, dubbed “Leno’s ...

Alleged members of a Southern California ring that used a device to cheat state smog inspections are facing federal charges, officials announced Thursday, April 4. An indictment unsealed Thursday in ...

Jay Leno’s star power wasn’t enough to persuade a California legislative committee to pass a measure to allow owners of classic cars like him to be exempted from the state’s rigorous smog-check ...

A California lawmaker is teaming with comedian and renowned automotive enthusiast Jay Leno to seek an expansion of smog check exemptions for classic cars. State Sen. Shannon Grove, R-Bakersfield, ...

Should old cars get a break from California’s smog check laws? Former Tonight Show host and avid car collector Jay Leno thinks so. He’s thrown his support behind a bill in the state legislature that ...

Federal prosecutors in Sacramento on Thursday unsealed an indictment charging 12 people from around the state with violating the Clean Air Act in what they portrayed as a long-running, sophisticated ...