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

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

3 Subjects: “...electric vehicles...”

4 Subjects: “...autonomous underwater vehicles...”

5 Subjects: “...autonomous vehicle...”

6 Subjects: “...vehicle routing problem...”

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

8 Subjects: “...connected and autonomous vehicle...”

9 Subjects: “...plug-in electric vehicle...”

10 Subjects: “...electric vehicle...”

11 Subjects: “...electric vehicle...”

12 Subjects: “...capacitated vehicle routing planning...”

13 Subjects: “...electric vehicles (EVs)...”