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

This is how and why this heavy-duty truck can ensure reliable operation for years to come.

You can't argue with 1075 lb-ft of torque. Well, you could, but you'd lose.

You might not know much about SSC or its supercar, the Tuatara, but that doesn’t exactly matter. No, what matters is what powers the supercar—a 1750-hp V8 developed by Nelson Racing Engines. According ...