The longest-lived diesel still rolling out of factories is not a museum piece or a limited-run curiosity. It is a workhorse straight-six that has powered everything from farm trucks to modern ...

Diesel engines have been around for more than a century, but they’ve gotten a bad reputation thanks to a series of scandals. This, combined with the shift to electric vehicles, has resulted in a ...

While exploring the world for unique concepts that seem to border on reality, I've run across a modular off-world explorer dubbed the MRS. Best of all, it's a rather detailed exploration of how such a ...

The nomenclature of engine power can get tricky. Brake horsepower, shaft horsepower, pound-feet (lb-ft), dynamometer ratings, revolutions per minute, engine load, and temperatures all play a part in ...

The best solution to cold weather diesel starting problems is to avoid them by being prepared for cold weather before it happens. Diesel engines are harder to start in cold weather because they depend ...

Military vehicles such as Humvees are often seen wading through water without much trouble, which gives diesel engines a reputation for being nearly indestructible. While they are tough and generally ...

Diesel racing engines have long been the superstars of the truck hobby. The primary reason for this is, as high performance goes, yes, racing diesels have always been capable of generating ridiculous ...

Internal combustion engine blowby, whether gasoline or diesel, occurs when part of the compressed mixture of air and fuel leaks past the piston rings during the compression or power strokes of a ...

Despite the original diesel fiasco in the 2010s — and the five automakers facing their own Dieselgate trial in the U.K. this year — diesel engines have definite benefits over their gasoline-powered ...