Like antics said, this isn't true for graph planning. Here are three concrete examples that I know of: 1. Anytime D* was used by the winner of the DARPA Urban

Like antics said, this isn't true for graph planning. Here are three concrete examples that I know of: 1. Anytime D* was used by the winner of the DARPA Urban Challenge 2. Field D* was used by Spirit and Opportunity on Mars 3. ARA* (and other A* variants) are a method of optimal motion planning in robotic manipulation