The Justice Department says it will no longer pursue criminal charges for removing emissions controls from diesel vehicles.

A new policy has halted all criminal investigations and prosecutions of those who bypass vehicles' emissions control systems, ...

The Justice Department ordered prosecutors to drop all pending cases targeting the sale of illicit "defeat devices" in diesel ...

The US Justice Department has instructed federal prosecutors to stop investigating and drop all cases targeting the sales of ...

Emission control systems in modern cars have slashed air pollutants such as particulate matter and nitrogen oxides. But these systems face two major challenges: carmakers cheating on pollution tests ...

A purge valve is a vital component of a vehicle's evaporative emission control (EVAP) system. Its function is to control the flow of fuel vapors from the fuel tank and evaporative canister into the ...

Add Yahoo as a preferred source to see more of our stories on Google. Jul. 12—NEW ALBANY — The sales manager of a New Albany auto dealership is facing a misdemeanor criminal charge after state ...

If you're into diesel trucks, you may already be aware of the fact that a thriving market exists for aftermarket enhancements and modifications. There are various ways to get more horsepower out of ...

PROVIDENCE – A federal judge on Wednesday ordered the owner of a North Kingstown trucking company and his two corporations to pay $250,000 to a state-administered environmental fund after he admitted ...

Long the focus of regulators in their efforts to clean up the air, the automobile has become so clean there are now cases where the air coming out of the tailpipe is cleaner than the surrounding air.