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 ...