If diesel engines need air for combustion, then how can submarines use them? Here's what you need to know about the clever engineering behind diesel subs.

Even if you don't plan on ever owning a car with a diesel engine, you may still want to know how they compare to gas engines ...

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 ...

The LML was the 6.6-liter V8 engine behind many Chevrolet Silverado and GMC Sierra trucks between 2011 and 2016, but what made it so special?

You might find a smaller diesel engine in a lawnmower, but this is as small as it gets in a passenger vehicle.

Diesel engines are durable and capable, but it's easy to overlook one particular quirk regarding the intake manifold that should otherwise be regularly checked.