1. Center for Energy and Environmental Policy Research, Beijing Institute of Technology, Beijing 100081, China
2. School of Management and Economics, Beijing Institute of Technology, Beijing 100081, China
3. College of Intelligence and Computing, Tianjin University, Tianjin 300072, China
4. School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
5. Department of Mechanical Engineering, KU Leuven, 8200 Bruges, Belgium