Navigator CO2 Ventures LLC said Wednesday it has entered a long-term agreement to supply carbon dioxide (CO2) capture, transportation and storage services to Siouxland Ethanol LLC on Navigator’s Heartland Greenway carbon capture and storage (CCS) system.

heartland greenway

Navigator reached a final investment decision last fall on Heartland Greenway, a 1,300 mile CCS pipeline that would traverse five states in the Midwest. 

The pipeline is designed to transport and sequester up to 15 million metric tons/year of CO2 from industrial consumers in Illinois, Iowa, Minnesota, Nebraska and South Dakota. Citing Environmental Protection Agency estimates, Navigator said this amount is equivalent to removing the annual carbon footprint of the Des Moines, IA, metropolitan area three times over.

The...