Over on his YouTube channel [Tom Stanton] shows us how to build a Stirling Engine for a bike. A Stirling Engine is a heat engine, powered by the expansion and contraction of a working fluid (such as ...

Have you ever imagined a bike powered not by gasoline or electricity, but by the simple act of heating and cooling air? It might sound like something out of a science fiction novel, but the concept is ...

General Motors may not be building a bike engine, but this two-stroke concept has real potential for motorcycle engineering. General Motors and two-stroke engines aren’t exactly two things you expect ...

The largest parallel-twin engine ever fitted to a production motorcycle is not some futuristic prototype, but a bruising British twin that quietly rewrote the rulebook on displacement and torque. It ...

Spy shots show beginner-friendly bike with inspiration from both Aprilia and Moto Guzzi Chassis and bodywork appear to be from Moto Guzzi, while the engine appears to be that of the Aprilia RS 457 ...