Future Wheels travels the world exploring the latest alternative fuels and green technologies for all types of vehicles - including electric, ethanol, solar, vegetable oil, human power, prop... Read allFuture Wheels travels the world exploring the latest alternative fuels and green technologies for all types of vehicles - including electric, ethanol, solar, vegetable oil, human power, propane, and hydrogen. automobiles and what will fuel the cars of tomorrow from hydrogen and s... Read allFuture Wheels travels the world exploring the latest alternative fuels and green technologies for all types of vehicles - including electric, ethanol, solar, vegetable oil, human power, propane, and hydrogen. automobiles and what will fuel the cars of tomorrow from hydrogen and solar to electric, and atomic.