Renewable energy group ralston iowa

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]