Green Plains Inc. is an ethanol producer. The Company is principally engaged in operating ethanol production facilities and corn processing, with a focus on the production of high protein feed ingredients. The Company operates through four segments: Ethanol Production, Agribusiness and Energy Services, Food and Ingredients, and Partnership. The Ethanol Production segment includes production of ethanol, including alcohol, distillers grains, protein and corn oil at ethanol plants in Illinois, Indiana, Iowa, Minnesota and Tennessee. The Agribusiness and Energy Services segment agribusiness and energy services segment includes grain procurement, and its commodity marketing business, which markets, sells and distributes ethanol, distiller’s grains, Ultra-High Protein and corn oil produced at its ethanol plants. Its limited partnership provides fuel storage and transportation services by owning, operating, developing and acquiring ethanol and fuel storage tanks, terminals, and other assets.