**About the Editors**

#### **Muhammad Sultan**

Dr. Muhammad Sultan is an Associate Professor at the Department of Agricultural Engineering, Bahauddin Zakariya University, Multan (Pakistan). He holds a B.Sc. (2008) and M.Sc. (2010) in Agricultural Engineering from the University of Agriculture, Faisalabad (Pakistan), and Ph.D. (2015) in Energy & Environmental Engineering from Kyushu University (Japan). He did postdoctoral research in Energy & Environmental Engineering (2017) at Kyushu University (Japan) and in Mechatronic Systems Engineering (2019) at Simon Fraser University (Canada). He has published more than 300 articles in international journals, conferences, books, and book chapters. He has been a reviewer for more than 100 SCIE journals and holds an editor role for 10 renowned journals with publishers such as SAGE, MDPI, and Frontiers. His research focuses on developing energy-efficient temperature and humidity control systems for agricultural applications including greenhouse, fruit/vegetable storage, livestock, and poultry applications.

#### **Yuguang Zhou**

Dr. Zhou Yuguang is an Associate Professor at the College of Engineering, China Agricultural University. He is carrying out investigations on biogas engineering technology and clean combustion of biomass and its emission control, based on the platforms including "National Center for International Research on BioEnergy Science and Technology"(iBEST), Ministry of Science and Technology, and "Key Laboratory of Clean Production and Utilization of Renewable Energy"(CPURE), Ministry of Agriculture and Rural Affairs. He has conducted more than 20 projects that were granted by the National Science Foundation of China, the United Nations Development Programme, Worldbank, etc.

#### **Walter Den**

Dr. Walter Den is presently a Professor and Director of Water Resources Science and Technology at Texas A&M University-San Antonio. He has a Ph.D. and an M.S. degree in Environmental Engineering from the University of Southern California, and a Mechanical Engineering degree from the University of California, Santa Barbara. His research interests span across the treatment and reuse of impaired water from industrial, energy extraction, and agricultural operations; microalgal carbon capture and biomass conversation; and water conservation practices for industrial manufacturing and irrigation. He has published in more than 70 peer-reviewed journals and has served as a consultant for industries and water regulating agencies in the U.S., Taiwan, and Singapore.

#### **Uzair Sajjad**

Dr. Uzair Sajjad is working as a Research Assistant Professor at the Department of Energy and Refrigeration Air-Conditioning Engineering, National Taipei University of Technology, Taiwan. He completed his Ph.D. from National Chiao Tung University Taiwan and has been awarded two science and technology awards by CTCI Taiwan for his research excellence. He is carrying out investigations on different topics of heat transfer, energy, applications of machine learning and artificial intelligence, surface engineering, heat pump and vacuum freeze-drying, and additive manufacturing. Currently, he has been granted a project by the National Science and Technology Council Taiwan. In these areas, he has published more than 50 SCI articles. Furthermore, he has served as a reviewer and guest editor for many well-reputed journals.
