(NAFB.com) – Data from the Energy Information Administration and analyzed by the Renewable Fuels Association showed ethanol production expanding 2.1 percent to 1.12 million barrels a day during the week ending March 20. That’s equivalent to almost 47 million gallons daily. Output was six percent higher than the same week last year and 7.8 percent above the three-year average for the week. Ethanol stocks swelled 2.9 percent to 27.2 million barrels, the largest weekly volume in a year. Stocks were 0.7 percent less than the same week last year but 3.2 percent higher than the three-year average. Inventories were built across all regions except the West Coast. The volume of gasoline supplied to the U.S. market, a measure of implied demand, rose 2.2 percent to 8.92 million barrels a day. Demand was 3.3 percent higher than a year ago. Ethanol exports dropped 32 percent to an estimated 119,000 barrels a day, a ten-week low.