MTSU professor Dr. Cliff Ricketts completed a five-day journey to drive coast to coast without gas. He used power from the sun and hydrogen from water to run his Toyota on the 26-hundred mile cross country trip last week. Ricketts says while hydrogen cars are still a ways away, his intention is to show it can be done...

Last year, Ricketts did a shorter trip using just over two-gallons of gas. He says he's doing the research and journeys for environmental, economic and world peace implications.