1 Subjects: “...sustainable freight transport...”

2 Subjects: “...air freight...”

3 Subjects: “...freight transport...”

4 Subjects: “...spot freight rates...”

5 Subjects: “...freight transportation...”

6 Subjects: “...passenger and freight...”

7 Subjects: “...freight transportation...”

8 Subjects: “...freight activity space (FAS)...”

9 Subjects: “...intermodal freight transport network...”

10 Subjects: “...road freight transport...”

11 Subjects: “...road freight vehicle...”

12 Subjects: “...freight handling...”

13 Subjects: “...highway freight transportation...”