1 Subjects: “...exponential heat source...”

2 Subjects: “...renewable energy integration...”

3 Subjects: “...renewable energy...”

4 Subjects: “...ocean renewable energy...”

5 Subjects: “...energy dependence...”

6 Subjects: “...urban renewal...”

7 Subjects: “...renewable resources...”

8 Subjects: “...free energy of mixing...”

9 Subjects: “...free energy of mixing...”

10 “... in energy generation from renewable sources. They largely mimic the structure and functions of biological...”

11 “... of renewable energy in the form of hydrogen, compressed air and other gases. Evaluating the long term...”