Ethanol is widely used as a component in gasoline. Ethanol can be produced from various crops, with corn as the usual production supply in the United States. General Motors promotes their flexible-fuel vehicles (FFVs) that are capable of burning either gasoline or E85 ethanol-85%/gasoline-15% blend. Defend or dismantle the following statement. Use Marginal Analysis data to support your position. Ethanol is a viable alternative to gasoline.