SAN ANTONIO — A "homemade motor bike" was involved in a crash on the south side Friday night, according to police. A 47-year-old man was driving the motor bike on the 3500 block of Commercial Avenue ...

Supercapacitor technology often looks like a revolutionary energy storage technology on the surface, but the actual performance numbers can be rather uninspiring. However, for rapid and repeated ...

In an example of ingenuity that will likely make any electric-bike enthusiast grin, a Reddit user named @jimminecraftguy has created an e-bike out of a washing machine. He's repurposed the motor to ...

There’s a growing community of do-it-yourself ebike builders that are turning old bicycles into super powerful electric bikes. Using a motor, batteries, a speed controller, and their engineering ...

The oldest Harley-Davidson motorcycles weren't too different from bicycles. The first models from the brand had pedals that ...