Sept. 28 (Bloomberg) -- Ethanol production in the U.S. fell 3.4 percent to 841,000 barrels a day last week, the steepest decline in 11 weeks, according to an Energy Department report.
Output fell to the lowest level since the week ended Sept. 24, 2010. Stockpiles swelled 1.6 percent to 17.4 million barrels, the biggest increase since Aug. 19.
Production of conventional gasoline blended with ethanol slumped 0.9 percent to 5.1 million barrels a day. Refiners receive a 45-cent tax credit for every gallon of ethanol blended into the motor fuel.
Denatured ethanol for October delivery fell 0.8 cent, or 0.3 percent, to $2.569 a gallon at 10:46 a.m. New York time on the Chicago Board of Trade. Futures have gained 8.1 percent this year.
--Editors: Bill Banker, Charlotte Porter
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