$GEVO Gevo is headquartered in Englewood, Colorado, and produces isobutanol, ethanol and high-value animal feed at its fermentation plant in Luverne, Minnesota. Gevo also operates a biorefinery in Silsbee, Texas, that converts alcohols into products such as renewable jet fuel, octane and ingredients for plastics, including polyester. http://www.gevo.com/about/our-business-leading-the-way-with-isobutanol/