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 ...

A Kentucky-based company suing New Hampshire over its decision to scrap vehicle emissions testing has asked a federal judge ...

Air quality scientists slammed Republican Del. Christopher Bouchat and state Sen. Justin Ready’s plans to cross-file legislation that would eliminate the Maryland Vehicle Emissions Inspection Program ...

A state legislator has introduced a bill that would exempt Lycoming County and six others from the state’s Vehicle Emissions Inspection and Maintenance (I/M) program. “I hear people loud and clear and ...

A routine emissions test turned into a catastrophic engine failure for one Hyundai Palisade owner after a dealership ...

Add Yahoo as a preferred source to see more of our stories on Google. Vehicles drive by the emissions testing site on Fourth Avenue in Gary. (Javonte Anderson/Capital B) After years of debate, Gary ...

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 ...

BAKERSFIELD, Calif. (KERO) — A new tool from the California Air Resources Board aims to reduce harmful emissions and protect public health in the communities like Bakersfield that are highly impacted ...

Add Yahoo as a preferred source to see more of our stories on Google. A Milwaukee County driver who needed an emissions test to renew his license plates recently asked Public Investigator: Why are ...

The emission measurement procedure using the “free acceleration” method has caused many diesel vehicle owners to worry about engine impact.