I love a big diesel engine as much as anybody, but they aren’t always practical. While I’d love to own a V16 two-stroke Detroit or whatever else, there’s no way I could actually use one—I just don’t ...

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 ...