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

The 2027 Ram 2500 Power Wagon finally features a long-overdue diesel engine option, opening up all kinds of utility and range ...

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 ...