While cleaning the gunk off your engine isn't a bad idea, should you get out your power washer and go to town? The answer ...

Most of us pay attention to keeping the cabins, glass, and exteriors of our cars clean, but it's also important to keep the engine bay free of dirt and grease.

Elon Musk says Tesla’s new Cybercab motor has no rare earths, but analysts saw the move as only a slight step towards reducing industry reliance – or China’s leverage.