Iowa Department of TransportationEthanol plants in the State of Iowa. This data is part of Iowa's multimodal freight network. These facilities are important for the safe and efficient movement of freight that is demanded by Iowa's large and diverse economy.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/0e3ecc23ea994b6fb907219a4b696a03_0engIowaDOT Open DataPublicFreight Ethanol Plant [Iowa]Web servicesIowaLast Modified: 2026-01-02