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

Owning a Cummins-powered rig is already a flex. That deep, rumbling idle. The way the turbo whistles when you roll into the throttle. The satisfying grunt as it effortlessly tows what would make most ...

Here's the story of perhaps the most legendary diesel engine ever made, the Cummins 5.9L.

Wondering which full-size truck engine tows camper the best? This is massive, real-world comparison test is exactly what you are looking for before you buy one. A few years ago, I conducted a ...

Diesel-powered vehicles have carved out a space among drivers as a go-to option for durability, fuel efficiency, and raw performance. They have a longstanding reputation for being able to handle ...

But the big reveal was the next generation of its more than 40-year-old B-Series power platform with a new 7.2-liter diesel engine for 2027—the same year that the Environmental Protection Agency’s ...

Diesel engines are notoriously robust, but if the fuel they run on gets contaminated, the engine can suddenly become much ...

Parts suppliers, race shops and tuners alike have all found themselves in the crosshairs of an increasingly strict EPA thanks to the latest round of National Compliance Initiatives, which specifically ...