Photos: Under the hood of the Tesla Roadster

Tesla Motors, maker of the electric-powered sports car formerly code-named DarkStar, showed off the Roadster's second engineering prototype in Menlo Park, Calif., Thursday evening at a networking event of the American Society of Mechanical Engineers. The Roadster is Silicon Valley's hottest new symbol of status and geekery.

Photo by Stefanie Olsen/CNET News.com