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 ...

Inrecent years, independent research has helped clear up many myths within the Pontiac hobby. One area, however, that still remains shrouded in mystery is the midyear emissions system change that ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CHICAGO (WGN) — About once every two years, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. RALEIGH, N.C. (WGHP) — Vehicle emissions ...

Editor’s Note: This story has been updated to clarify the timeframe for TCEQ’s data of likely clean scans. The agency was aware of more than 1.5 million likely ...

RALEIGH, N.C. (WGHP) — Vehicle emissions testing is scheduled to end in all but one North Carolina county pending approval from the Environmental Protection Agency. Mecklenburg County would be the ...