ANSWERS: 2
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The change in policy is prompting the oil industry to scale back its plans for refinery expansions. That could keep gasoline prices high, possibly for years to come. See this link: http://news.yahoo.com/s/ap/20070617/ap_on_bi_ge/ethanol_refineries;_ylt=AntmaLHebvkdB4h9dQ9d0Ahu24cA
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By attempting to improve it http://www.futurecars.com/futurefuels/bioethanol.html
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