The 12-valve 5.9-liter Cummins diesel engine revolutionized pickup truck reliability in 1989, outlasting GM and Ford rivals ...

There's a term that gets thrown around fairly frequently not just from diesel engine builders, but by automotive enthusiasts from all walks of life: "bulletproof." Simply put, "bulletproof" implies ...

Diesel engines lack the spark of gas engines, both literally and figuratively. They don't need a spark plug since they ignite the fuel using only compression, but also lack the 'je ne sais quoi' that ...

Diesel engines offer tons of torque allied with impressive fuel economy, but they tend to be noisier and less refined than ...

Oil is a vital component for engines of all types. Not only is it responsible for providing lubrication to numerous moving interior parts, but it also helps prevent friction and the development of ...

While the world is trying to go EV, heavy duty diesel trucks like the Ford F-250 are still the rage for those who do big jobs (or want to look like they do). Many truck owners are always on the ...

Daimler Trucks North America is dropping "Diesel" from the venerable Detroit Diesel name, leaving the brand free to include other powertrain components and perhaps other types of engines. Daimler ...

Dieselgate started back in 2014, but it has never really ended, as more and more allegations roll in of defeat devices across the diesel spectrum. From VW and Daimler to Cummins and Bosch, the EPA, ...