Published February 11, 2013, 12:00 AM
A dump wagon adds freshly gathered corn cobs to a pile
FILE - In this Oct. 30, 2007 file photo, a dump wagon adds freshly gathered corn cobs to a pile on a farm near Hurley, S.D. After decades of talk, the ethanol industry is building multimillion dollar refineries in several states that will use corn plant residue, wood scraps and even garbage to produce the fuel additive. (AP Photo/Dirk Lammers, File)
Read the article: Vilsack assures support for ethanol
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