SIOUX FALLS, S.D. (AP) -- The nation's top ethanol producer is teaming with an Iowa State University researcher in hopes of squeezing more ethanol out of a kernel of corn.
Sioux Falls-based Poet LLC already uses a process called BPX, which converts starch to sugar and then ferments it to ethanol without the use of heat or cooking. Poet uses the method in 20 of its 22 ethanol plants and estimates it can get 3 gallons of ethanol from each bushel of corn compared with an industry standard of 2.7 gallons per bushel.
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