A diesel engine is simultaneously incredibly simple and incredibly violent, using compression as a means of ignition. This is because of the properties of diesel fuel: Namely, diesel is less volatile ...

Because diesel vehicles do not use spark plugs, they must rely on higher compression ratios to ignite the diesel fuel without ...

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 ...

Diesel engines are torquey and efficient powerhouses capable of outlasting a comparable gas engine. But despite their robust build quality and beefier internals, there are things to avoid if you have ...

An overheating car engine should be a cause for worry. A mechanic will have you know that driving a car with an overheated engine can destroy the engine block or internal parts. It is usual for a ...

The automatic transmission has evolved from the standard step-type automatic to dual clutches (DCT) and CVTs (continuously variable transmissions). Still, they all share a complex maze of electrical, ...

Modern diesel engines perform exceptionally well at 1,100 to 1,200 rpm. They deliver peak torque just a few hundred rpm above idle, and peak horsepower somewhere around 1,500 or 1,600 rpm. But what ...

These little guys might not seem like a big deal, but they play a crucial role in your engine’s performance. A dirty air ...

How often do you hear drivers complaining about weak engine brakes? Some drivers will say the engine brake provides so little retarding power they have to use their service brakes to help decelerate ...