This 1997 Ford Taurus GL may not look all that special, but its Flex Fuel option holds the potential to pay for itself. With gas prices reaching disgusting heights and global warming encroaching, ethanol-powered automobiles make for a very wise investment.

Ethanol is produced by bacteria that ferment and break down carbohydrate sugars. No, you can not run this car on Southern Comfort. A new study found that a gallon of ethanol gas can be produced from corn with 95 percent less petroleum than producing a gallon from fossil fuels. Ethanol has also shown to be more energy efficient than fossil-fuel based gasoline and 95 percent free of greenhouse gas emissions.

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