Del. Christopher Bouchat plans to introduce legislation in the 2026 General Assembly session to eliminate Maryland’s Vehicle ...

It’s not quite an annual tradition, but once a vehicle turns six years old, Maryland drivers have to take their cars to a ...

Last month we began our discussion of emission systems by examining various crankcase and fuel vapor control devices, along with throttle and carburetion equipment aimed at reducing automotive exhaust ...

The Biden administration on Wednesday is unveiling the "strongest ever" tailpipe emissions standards that are expected to push automakers to accelerate the proportion of electric vehicles in their U.S ...

PORTLAND, Ore. (KOIN) — The federal government is going after a Hillsboro business, accusing them of modifying hundreds of diesel trucks to disable pollution control systems. The U.S. Attorney’s ...

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 ...