Nissan promises more than one self-driving vehicle on the market by 2020. Meanwhile, a General Motors (NYSE:GM) official tells a House panel we won't see any for the foreseeable future. What are the odds that there will be a self-driving vehicle on the market in seven years? John Rosevear and Rex Moore give their take in this segment of Motor Money.

Fool contributor John Rosevear owns shares of Ford and General Motors. Rex Moore has no position in any stocks mentioned. The Motley Fool recommends Ford, General Motors, Google, and Tesla Motors. The Motley Fool owns shares of Ford, Google, and Tesla Motors. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.