The diesel tuning business has changed a lot in the last four years. The Environmental Protection Agency is scrutinizing everybody from huge engine manufacturers like Cummins to small tuner shops.

Despite the recent news that the Environmental Protection Agency (EPA) no longer lists emissions defeat devices as a top priority, there’s still no two ways about it: Tampering with a tune to defeat ...

Mainstream diesel performance hit a home run when Dodge introduced the Cummins-powered Dodge Ram in 1989. In stock trim, the trucks were reliable yet underpowered, but it wasn’t long before ...

Let’s be frank for a moment and tell it as it is: not too many people in the market for an Alfa Romeo Giulia will go for the full-on Quadrifoglio for one too many reasons. In Europe, for example, the ...

When Banks Engineering unleashed its Big Hoss Bundle diesel performance packages for today's diesel pickups, it turned the diesel tuning world upside down with a systematic approach to safely ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

Sponsored Content. We may receive a commission on purchases made from links. The 6.7-liter Cummins turbodiesel inline-6 is one of the most widely used diesel engines out there. It has been fitted to ...

Two Michigan-based diesel tuning companies are facing US$10 million worth of civil penalties for their part in the manufacture, sale, and distribution of diesel-emissions defeat devices, a huge strike ...