In pursuit of ultimate power, vehicle designers have dabbled in everything from multi-stage turbochargers to exotic rotary layouts for their gas powerplants, with varying degrees of success.

In 2007, eCycle Inc. and Ogura Industrial began collaborating on an electrically driven supercharger. Most normally aspirated diesel and gasoline engines benefit from the electrically driven ...

While major motorcycle manufacturers produce a wide range of impressive mainstream bikes, the custom-built world of motorcycles is far stranger, with some examples that seem to break all the rules.