Ready, Bid, Go! On-Demand Delivery Using Fleets of Drones with Unknown, Heterogeneous Energy Storage Constraints. Mohamed S Talamali, Genki Miyauchi, Thomas Watteyne, Micael Couceiro, Roderich Gross. ACM International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS), Detroit, MI, USA, 19-23 May 2025.