GPRE 10-K

Corn Oil Production Segment
"We initiated corn oil production in the fourth quarter of 2010 with the acquisition of our Lakota and Riga ethanol plants and installation and deployment of corn oil extraction technology at our Obion and Ord ethanol plants. In 2011, we deployed corn oil extraction technology at our other ethanol plants. We currently have the capacity to produce approximately 130.0 million pounds of corn oil annually. During the year ended December 31, 2011, we sold 96.3 million pounds of corn oil compared to 5.0 million pounds in 2010." p. 41
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"A sensitivity analysis has been prepared to estimate our corn oil production segment exposure to corn oil price risk. Market risk related to these factors is estimated as the potential change in net income resulting from hypothetical 10% changes in prices of our expected corn oil output for a one-year period from December 31, 2011. This analysis includes the impact of risk management activities that result from our use of fixed-price sale contracts. Market risk at December 31, 2011, based on the estimated net income effect resulting from a hypothetical 10% change in such prices, was approximately $0.4 million." p. 50
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"The Company produces corn oil at all nine of its ethanol plants within the corn oil production segment, which have the capacity to produce approximately 130 million pounds annually. The Company operates its corn oil extraction systems through its wholly-owned subsidiary, Green Plains Commodities LLC. The corn oil systems are designed to extract non-edible corn oil from the whole silage process immediately prior to production of distillers grains. Industrial uses for corn oil include feedstock for biodiesel, livestock feed additives, rubber substitutes, rust preventatives, inks, textiles, soaps and insecticides." p. F-7

SkunK Note Above:  For a segment of readers it may be enlightening to realize GPRE also has segmented its COES business using a non public, wholly-owned subsidiary - in this case Green Plains Commodities LLC.  This helps focus internal responsibility and accountability in the segment - even though, (like GreenShift/CleanTech) the public books are published as a single entity. This is a common business practice.
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"(4) Soybean oil options are used to hedge corn oil." F-21
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See GPRE 10K Here
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Lots of Information about corn oil in this 10-K.  Feel free to do a "edit", "find on this page" search of corn oil to see each reference.  I selected just a few that were new or interesting to me.

SkunK