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 ...

Telematics provider Samsara recently joined the California Bureau of Automotive Repair's continuous testing program pilot. The program aims to alleviate in-person smog testing for public sector fleets ...

California is deploying a portable emissions detector in areas with heavy truck traffic to educate drivers and operators about a new smog check program that starts Jan. 1. The Heavy-Duty Inspection ...

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 ...

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 ...

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 ...