It may not look it, but the D3 function found on your gear shift serves a surprisngly useful purpose separate from that of ...

Automatic transmissions are a wonder of planetary gears, torque converters, and fluid. Here's how it all works to get you the speed you need when you need it.

Choosing between motorcycle transmission types these days is a bit more complicated than a simple manual-versus-automatic decision. In reality, it's more like four transmission options: automatic, ...

The automatic transmission as Americans know it today has been around and undergoing continual improvement since 1939. And while the concept of the continuously variable transmission (CVT) was ...