Ethanol Supporters May Soon Feel Slow Burn.

The article discusses governmental and political aspects of using ethanol as an alternative fuel source in the U.S. It explains that marketing for ethanol was driven by federal laws, such as exemption from the federal motor fuel tax to lessen dependency on imported oil, and a tariff that protects local ethanol from competition with Brazil and the Carribean. It also mentions the disadvantages of the fuel, including conversion of forestland for its crops and cost of its subsidies.