As a diesel owner, I know the hectic heartbreak of trying to keep such an unpopular drivetrain up and running in the U.S. Most people think of big semi trucks when they think of diesel, or they think ...

While diesel-powered passenger vehicles are increasingly limited in the U.S., they remain vital, especially for those in the ...

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 ...

Perhaps one of the most overlooked items of diesel truck maintenance involves the various fluids that are the lifeblood of these vehicles. Proper maintenance of oil, coolant, transmission fluid, and ...

Elizabeth Nelson, coolant program manager at Polaris Laboratories, a fluid-analysis company in Indianapolis, Ind., tells a story that would strike fear into the heart of any fleet manager. A class-8 ...

Regardless of whether it burns gasoline or diesel, your internal combustion engine works by igniting a mixture of fuel and air to create power. To do so effectively, it must reduce the detrimental ...

the history and capabilities of Nissan's TD42 straight-six diesel engine, a tough competitor to Toyota's legendary 1HZ engine ...

RealTruck.com reports on the latest truck accessories, featuring new products to enhance vehicle performance and style.

A key enabler is the newly redesigned aftertreatment system, which uses trusted components in a smarter and more efficient ...