Diesel planes aren't just a novelty; they are revolutionizing general aviation fuel costs and range. See why these engines ...

Heavy duty diesel engines are designed for long hours and extreme loads, but even the toughest systems fail without early ...

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 ...

Many gas stations host diesel pumps that can be easily confused with gas pumps. Pumping diesel into your gas car can wreak havoc on its systems, forcing you to call a tow truck and mechanic.

There have been many reliable diesel engines over the years. Some are easy to work on, while others are a bit more challenging. The Ford 6.4-liter Power Stroke falls into the latter category, while ...