This healthy-battery Tesla Roadster Sport is a piece of EV history with a refurbished PEM, and the bidding is running below where these trade. A 2011 Tesla Roadster Sport 2.5, the fast, Lotus-based ...

The secret wasn't tougher steel, it was engineering simple enough to fix in a driveway.

O2 sensors help gauge whether the engine is running with too much fuel or air. Here's how much you can expect to pay when ...