"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Many electric vehicles (EV) use the permanent magnetic properties of rare earth metals to make their ...

Munro & Associates tear down a pair of electric motors from General Motors and Tesla. What their engineers found are two completely different approaches to cooling. One prioritizes simplicity, while ...

Any enthusiast will be able to tell you the seat-of-the-pants characteristics of their favorite engine. The torque-peakiness of an Eighties turbo car, the endless rev-hungry climb of a naturally ...