Add Yahoo as a preferred source to see more of our stories on Google. The Y/AI concept bike is as futuristic as its name suggests. Its design features spokeless, semi-transparent wheels that emit a ...

This list includes a bespoke ultra-rare Italian motorcycle that even makes the Ducati 1098R look "normal".

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 ...