BMW calls the 15-horsepower 48 volt electric motor in the new CE 02 electric scooter an "externally excited air-cooled synchronous motor." That's a really fancy way of saying that the Motorrad ...

When assessing your street rod's charging system, it's important to understand how an alternator works and what other factors may affect its performance. Simply put, alternators are converters. They ...

If your car or truck won’t hold a charge, or if you’re having signs electrical gremlins like dimming headlights, you probably need a new alternator. “If you keep a vehicle over 100,000 miles, chances ...