A slipping motorcycle clutch is a dangerous problem that can make even the best motorcycles feel sluggish. Here's what could ...

Electric cars don't require multiple gears, but they still have transmissions. And General Motors is working on a way to make them better. A patent filing from the automaker detailing a new type of ...

Allison Transmission has been granted a patent for an electric powertrain system with two motors, one with uninterrupted connection and the other with a clutch. The clutch includes a positive clutch ...