Washington, DC [U.S. News & World Report] Here come the ethanol IPOs. Three of the largest ethanol producers in the country are planning to make initial public offerings this year, with the first, VeraSun Energy Corp., expected to go public later this month. South Dakota-based VeraSun is the country’s second-largest maker of the corn-based fuel, ranking only behind Archer Daniels Midland Co. It is the first pure-play ethanol producer to file to go public. Also in the pipeline are Hawkeye Holdings Inc. and Aventine Renewable Energy Holdings Inc.