Renewable Energy Group began in 1996 as the biodiesel division of West Central Cooperative with the construction of a plant in . In 2006, the company separated from West Central and moved its headquarters to Ames. In 2013, the company acquired -based biofuels company Syntroleum Corporation amid that company's struggles for profitability. In 2015 it acquired the assets of -based.
[pdf] Renewable Energy Group is a production company headquartered in . The company operates 12 biorefineries and a processing facility. As of 2018 , the company is a corporation.
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