Gasoline and diesel engines are very different. The former rely on spark ignition while the latter use compression ignition. Diesel engines typically run at much higher compression ratios than ...

Let's make something clear from the outset. We aren't talking about diesel engines for marine applications or for 18-wheelers. Or wacko diesel engines for trains. We're talking about diesel engines ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

A Duramax Diesel GMC truck on the highway. - Brandon Woyshnis/Getty Images Let's make something clear from the outset. We aren't talking about diesel engines for marine applications or for 18-wheelers ...