The bike wobbled, then fell ... Belgian inventor Étienne Lenoir developed the first commercially successful internal combustion engine in 1860. Though rudimentary and fueled by coal dust ...

The stroke is considerably shorter, and uses energy of the engine's exhaust vacuum to assist in the combustion cycle, also enabling it to produce six times the number of power strokes per ...

[MacGyver] [Lou Wozniak] is on a mission to build an internal combustion engine using only hardware store parts. What you see above is his third attempt at it. Depending on your hardware store ...

The motorcycle market just hit an unexpected twist with the arrival of the Yamaha FZ-S Hybrid —a model that could shake up ...

After a few clicks, your bike springs to life ... the genius minds at Porsche seem to have found a way to keep the internal ...