Drone Delivery Map, Truck Delivery Map (IMAGE) DOE/Argonne National Laboratory Caption The truck routing model finds optimal routes to deliver goods as well as optimizing the number of trucks to be used. The images show customer locations and FCs for both the drone delivery and the truck delivery cases. The truck delivery map depicts customers served by a depot. Credit (Image by Argonne National Laboratory.) Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.