Toyota (NYSE:TM) unveiled its FCV Concept, an electric car with fuel-cell technology, at the Tokyo Motor Show. The vehicle turns hydrogen into electricity, and emits only water vapor as "exhaust."

Toyota hopes to get the FCV Concept to market in a couple of years. Will this really happen, or is Tesla's (NASDAQ:TSLA) Elon Musk correct in calling fuel-cell technology a load of hooey? Our Motor Money team of John Rosevear and Rex Moore discuss it all in this video.