The USDA says Midwest ethanol prices were mostly lower.The Renewable Fuels Association says net inputs by refiners and blenders hit a seven-week high, even as the volume of gasoline supplied to the market fell.The ethanol supply of 25.483 million barrels grew by 684,000 barrels from the previous week and 1.186 million from this time last year.The USDA’s next corn for ethanol use estimate is out March 9th.