Wei-Hsin Chen is a distinguished professor in the Department of Aeronautics and Astronautics at the National Cheng Kung University, Taiwan. His research interests include bioenergy, hydrogen energy, clean energy, carbon capture and utilization, environmental science, etc. He has published over 600 papers in international and domestic journals and conferences. He is the associated editor of the International Journal of Energy Research and an editorial member of various international journals, including Applied Energy, Energies, Frontiers in Energy Research, etc. He is also the author of several books concerning energy science and air pollution. Recently, his important awards include the 2015 and 2018 Outstanding Research Award (Ministry of Science and Technology, Taiwan), the 2015 and 2020 Highly Cited Paper Award (Applied Energy, Elsevier), the 2017 Outstanding Engineering Professor Award (Chinese Institute of Engineers), the 2019 Highly Cited Review Article Award (Bioresource Technology, Elsevier), and the 2016, 2017, 2018, 2019, and 2020 Web of Science Highly Cited Researcher Award. He is the top researcher in biomass torrefaction and generates significant research in torrefaction technology.