It may be hard to believe, but there was a time when making 500 hp was unbelievable performance for diesel engines. Fords had 180 hp in the late 1980s and early '90s, Dodges were at 160 hp, and GMs ...

Diesel engines are known for several things. Power and torque are the biggest attractions, but there is another attribute that drivers like. They can rack up a lot of mileage without needing major ...

Gearhead vehicle discussions often go something like this: "How fast?" "What's the e.t.?" "How much boost?" "What's the horsepower and torque?" Whether bragging or fact, the answers are usually the ...

Modern diesel engines are the right blend between performance and efficiency, but you might have wondered why diesels have not been used in sports cars over the years. A sports car can benefit from ...

In the coldest corners of the map, where diesel engines have long been treated as the only reliable option, electric vehicles are quietly rewriting the rules. Real world testing from Arctic truck ...

Dimpled pistons might sound strange, but some say they could be the future for diesel power. We've looked at the arguments for and against this wacky idea.

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

Diesel engines are renowned for their ruggedness, torque-heavy power, and workhorse dependability — not exactly the characteristics linked to high-revving, supercharged excitement. But in a world ...