1 Subjects: “...fuling gas field...”

2 Subjects: “...shared office...”

3 Subjects: “...scale parameter...”

4 Subjects: “...scale of tax expenditures...”

5 Subjects: “...e-car sharing...”

6 Subjects: “...dual-scale flow...”

7 Subjects: “...greenhouse gas emissions...”

8 Subjects: “...greenhouse gas emissions...”

9 Subjects: “...gas yield...”