With the recent run up in gas prices and the lingering war in the Middle East, there has been talk of renewable energy sources to power our cars and trucks. Ethanol, a biofuel, can be produced not only from corn, but sugar cane, switch grass, and wood. And using it, instead of gasoline, decreases the amount of pollutants a car emits. But the question remains, “Are there any cars that can run on it?” Recently, Brazil introduced flex fuel vehicles. These vehicles can run both with ethanol, gasoline, ethanol and gasoline in any blend. So these vehicles can be used anywhere. For more information about this story and for in-depth analysis of alt-fuels and alt vehicles visit TheAutoChannel.com.