1 Subjects: “...unmanned underwater vehicle (UUV)...”

2 Subjects: “...battery electric vehicle...”

3 Subjects: “...unmanned aerial vehicles...”

4 Subjects: “...vehicle occupancy ratio...”

5 Subjects: “...Vehicle-to-Infrastructure...”

6 Subjects: “...unmanned aerial vehicle...”

7 Subjects: “...vehicle routing...”

8 Subjects: “...electric vehicle...”

9 Subjects: “...unmanned aerial vehicle swarm...”