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 ...

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 ...

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 ...

In this BS6 era, diesel cars run cleaner, they are more technologically advanced, and at the same time are more complex than ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they can survive that punishment starts with how fiercely they squeeze the air ...

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

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 ...

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

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