Cummins engines have earned a bit of a cult following over the decades — and for good reason. In the U.S., they're the iron workhorses found in everything from pickup trucks to massive semis, and they ...

Go onboard the Audi R10 Le Mans race car powered by a 5.5L twin turbo V12 diesel engine. This video captures the unique deep engine sound, turbo acceleration, and raw endurance racing performance of ...