The Trump administration has announced it will no longer criminally prosecute “diesel delete” cases of truck owners altering ...

Owners of diesel trucks are likely to seek methods of increasing performance and fuel economy and most probably may discover a bottleneck with the Diesel Particulate Filter (DPF). The DPF is important ...

The federal government will not pursue criminal charges for DEF/DPF tampering, but truckers should hold off on buying a ...

If you're into diesel trucks, you may already be aware of the fact that a thriving market exists for aftermarket enhancements ...

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 ...

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 ...

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 ...