US BioEnergy‘s Marion, South Dakota ethanol plant has officially started production.

According to the company, US Bio Marion began production in February. The company acquired the 110 million gallon per year plant while under construction in August 2007.

This is the fifth ethanol plant for US BioEnergy. The others are located in Albert City, Iowa, Ord and Platte Valley, Neb., and Woodbury, Mich. Three additional ethanol plants are currently under construction in Hankinson, N.D., Dyersville, Iowa, and Janesville, Minn.