A flexible fuel vehicle (FFV) is an automobile that can run on ethanol fuel produced from corn. This fuel is a mixture of 85% ethanol and 15% gas. The price of the fuel in Sioux Falls has remained steady at $1.69/gallon through the volatility of gas and recently there were six fueling stations added bringing the total to seven. FFV is an option in certain vehicles and these vehicles can run on both ethanol and regular gasoline in the same tank. There are approximately five million FFV’s in the US and 4,000 in the Sioux Falls area.