There are many differences between diesel and gas engines, including some less obvious aspects of engine construction, such as cylinder sleeves.

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 ...

If you've ever accidentally grabbed the diesel fuel nozzle at the gas pump, then you know just how scary of a moment it can be. Though the nozzle itself likely won't fit the filler neck on your ...

Most of the gasoline burned in a conventional car never turns a single wheel. Federal data from the U.S. Department of Energy ...

We all know why diesel engines are great for pickup trucks: They pull hard and use less fuel than a gasoline engine doing the same work. Greater fuel efficiency will often offset the greater cost of a ...