Eco-Energy, Siouxland Energy extend marketing agreement

In Tennessee, Eco-Energy has extended their marketing agreement with Siouxland Energy and Livestock Cooperative for two years.  Siouxland operates a 60 MGy ethanol plant in Sioux Center, Iowa.  Eco-Energy is a full-service marketing company with $3.2 billion in sales, and reports they handle nearly 10% of the North American biofuels market.