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 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 ...

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 ...

When it comes to environmental regulations, California usually leads the nation. But with more cars than any other state -- and more older models, thanks to the mild climate -- the state's smog ...

The U.S. Environmental Protection Agency is proposing to partially halt California’s State Implementation Plan (SIP) relating to emissions controls for non-gasoline-combustion vehicles over 14,000 ...

Jay Leno, a known car enthusiast, was at the State Capitol advocating for a bill that would ease smog rules for vintage cars.