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•  Patent Pending reports that Walmart has applied for patent on a system that would "pair an autonomous ground vehicle (AGV) with a drone, or an unmanned aerial vehicle (UAV), creating a dynamic air-ground duo to fulfill deliveries … The UAV could 'ride piggy-back' on the AGV, serving as the back-up delivery device when obstacles arise, per the application. The UAV could also recharge via an AGV-connected charger, which would alleviate some of the range limitations drones currently have."