A federal grand jury for the Eastern District of Washington has just returned an indictment charging four men in a scheme in which millions of emissions defeat devices were illegally imported to the ...

If a diesel shop is offering emissions delete services -- illegal under the Clean Air Act -- and is trying to fly under the radar of the U.S. Environmental Protection Agency, it might not be the best ...

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 ...

Another day, another headline about the Environmental Protection Agency nailing a diesel truck tuner over emissions defeat devices. In this case, it was actually a group of four business owners who ...

TORONTO, Ont. — As long as there have been pollution controls on engines, someone has tried to mess with them, either by removing, bypassing or modifying components. With all the distrust over newer ...