1 Subjects: “...energy-efficient retrofit...”

2 Subjects: “...economic efficiency of industrial water use (ECEIW)...”

3 Subjects: “...building energy efficiency...”

4 Subjects: “...street connectivity and efficiency...”

5 Subjects: “...street connectivity and efficiency...”

6 Subjects: “...sediment flushing efficiency...”

7 Subjects: “...resource use and efficiency...”

8 Subjects: “...water use efficiency...”

9 Subjects: “...energy efficiency...”

10 Subjects: “...energy efficiency...”

11 Subjects: “...pump efficiency...”

12 Subjects: “...energy efficiency...”

13 Subjects: “...power conversion efficiency...”

14 Subjects: “...energy efficiency...”

15 Subjects: “...energy efficiency...”