Across the United States, the rules for checking tailpipe pollution are quietly shifting, even as climate targets grow more ambitious and electric vehicles grab headlines. States are carving out ...

The California Air Resources Board (CARB) has certified only one telematics provider to participate in its Clean Truck Check (CTC) program with just over a quarter of the year left before heavy- and ...

Annual vehicle safety inspection tests will no longer be required for non-commercial vehicles in Texas as of January 1, 2025. House Bill 3297, passed in 2023, eliminated the state's requirement for ...

The contractor that oversees Wisconsin’s vehicle emission testing program is making changes to address a slide in the number of car repair facilities willing to conduct the tests for them. In 2012, ...