Infiniti showed off a slightly updated Q50 yesterday at the Paris Motor Show, but nobody gave a damn because right next to it was this: the first ever production-ready variable compression-ratio ...

When the third generation Ford Galaxie rolled off the production line in 1965, a diesel compression braking system was invented and patented by Clessie Cummins. In other words, when the gasoline (Otto ...

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 ...