Ethanol or Biodiesel? An Argument for Alternative Fuels

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percent ethanol and 15 percent gas).
But it's not a simple switch to make. Out of about 170,000 gas stations in the U.S., only 650 sell E85. And, the engines in conventional cars may not perform as well with E85, and could be damaged by it. However, some automakers have solved the car problem by making small modifications to a standard engine’s fuel-supply and injection systems. These cars are the same kind of "flex-fuel" cars they’ve been selling in Brazil, and it doesn’t cost any more than a conventional car. Flex-fuel autos adjust automatically to whatever's put in the tank – gas, ethanol, or any combination. As a matter of fact, you can convert a standard car into a flex-fuel vehicle (although you would need a skilled mechanic and some parts to do it). You may be surprised that even the first Model T's ran on ethanol. Today there are about five million flex-fuel cars on American highways.
Most of the ethanol comes from America’s heartland where corn is grown and ...

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