The Energy Information Administration says U.S. ethanol production jumped to its highest level in almost a month during the week ending on October 7. Ethanol output rose to an average of 932,000 barrels per day, the largest production level since the week ending on September 9 and up from the 889,000 produced during the prior week. The Midwest is the biggest ethanol-producing area in the country, and output surged to an average of 881,000 barrels a day, the highest level in a month and up from 840,000 a week earlier. East Coast production jumped to 10,000 barrels a day, up from 3,000 barrels the week before. Rocky Mountain output was unchanged, while production dropped on the Gulf Coast by 7,000 barrels a day and 1,000 on the West Coast. Ethanol inventories rose to 21.86 million barrels in the seven days ending on October 7, up from 21.68 million barrels a week earlier.