Hennessey has just unveiled its first ever HD diesel truck. There is no power upgrade, but the F-250 has been lifted sky-high ...

The Environmental Protection Agency dished out yet another seven-figure fine to a diesel tuning company and one of its distributors. This time, it’s Flo-Pro Performance Exhaust and Thunder Diesel & ...

SCT's latest flash device, the Livewire, not only provides your fast Ford with improved power, it also records a number of performance measurements and datalogs many parameters. We've had the ...

Performance Diesel Inc. (PDI) recently launched its Big Boss Tuner HD, a hand-held tuner designed for fast and easy installation that will typically deliver a 10 to 15 percent increase in horsepower ...

Efficiency is what we all want in a diesel, and over the past few years it is what we have come to expect out of our turbodiesel trucks. Having modified and wrenched on both new and old diesels, I can ...

Gorilla Performance, or GDP Tuning LLC to use its legal name, and its owner Barry Pierce pleaded guilty to criminal charges over the sale and distribution of devices designed to defeat emissions ...

A battle between the Department of Justice and an East Peoria, Illinois diesel performance company over aftermarket defeat devices is finally over. As a result of the settlement, the defendants will ...

Yet another tuning shop has been fined as part of the U.S. Environmental Protection Agency’s ongoing war on diesel emissions defeat devices. At the receiving end of the punishment this time around is ...

The U.S. Department of Justice just levelled its heaviest set of fines yet for diesel-emissions defeat devices—some US$10 million in in total That’s the amount to be paid out by Rudy’s Performance ...

Flo-Pro Performance Exhaust and its distributor Thunder Diesel & Performance are facing fines of $1.6 million in relation to a 2018 EPA investigation into the companies’ alleged violation of the Clean ...