REG Seneca is a biodiesel production facility in northern Illinois. The biorefinery produces approximately 60 million gallons of biodiesel annually and began operations in 2008.
- Nameplate Capacity: 60 mmgy
- Feedstocks: High and low free fatty acid feedstocks
- Loading Capabilities: Truck, rail and barge
- Rail Line: CSX
- Production Start Date: April 2008