Currently, Dr. Yu Wenbin is a Full Professor in the School of Energy and Power Engineering, Shandong University. Before that, he worked as a Senior Research Fellow at National University of Singapore for 7 years. He mainly focuses on Combustion in engines, Electronic control for engines, Fluid dynamics and CFD modeling, Spray, etc. He has published more than 70 articles and more than 15 patents. He is now the editorial board member of several International journals. As a reviewer of more than 20 world top journals, he obtained the Outstanding Contribution in Reviewing Award in many top journals.

Barbara Marchetti graduated in Mechanical Engineering at Università Politecnica delle Marche, she received her PhD in Mechanical Measurements for Engineering at University of Padova in 2004. She has worked as a researcher at the Naval Research Laboratory of Washington DC. Her research activities are related to sustainability, energy production from renewables; LCA, innovative technique for recycling; numerical and experimental study of multiphase flow of hydrocarbons. She is the author of several papers published in national and international journals and conference proceedings. At present, she is Associate Professor in the field of Mechanical Plants for the Università degli Studi eCampus.

Prof. Zhao graduated from State Key Laboratory of Engines at Tianjin University in China. Then he started at the National University of Singapore as a research fellow engaged in diesel engine combustion simulations and alternative fuels applications. Prof. Zhao is currently working in Shandong University in China, and her expertise lies in engine combustion and spray system development and optimization. She has published more than 30 papers in international journals and conferences.

Dr. Qingguo Peng obtained Phd from the College of Mechanical and Vehicle Engineering, Hunan University, in the discipline of Mechanical Engineering in 2019. Currently, he is working at the School of Mechanical Engineering, Guizhou University, China. His research interests include the flow, heat transfer and combustion of micro energy electromechanical systems, Thermal-flow synergy optimization of power battery systems, Low pollution combustion and emission control of engines etc. He has participated in multiple projects held by the National Natural Science Foundation of China. Dr. Peng has published more than 14 papers in well-known journals, such as Applied Thermal Engineering, Energy Conversion and Management and many more.

Dr. Simona Silvia Merola received her Masters degree in Physics from the University of Naples in Italy in 1995 and a PhD in Chemical Engineering in 2001. Since 2001, she has been a tenured Researcher at STEMS, of CNR, Italian National Research Council. She has also been a senior researcher and chief of a division involved in the application of optical diagnostics to the fuel injection and combustion process investigations since 2010. Her research work focuses on the experimental analysis of the thermo fluid-dynamic phenomena that occurs in-cylinder and at the exhaust of the internal combustion engines fuelled by conventional and alternative fuels. She has the direct responsibility for experimental activities in several research projects and has an active role in the organization of technical sessions of various international technical conferences. Further she supports ISI journals and scientific funding Organizations as a reviewer and expert. In particular, Dr. Merola has been an evaluator for European Commission of CLEANSKY and EUROSTARS projects since 2012.

Dr. Ozgur Arar received his PhD degree in Analytical chemistry from Ege University,Turkey. Currently, he has been working at the same university. Dr. Arar's research interests include analytical chemistry, electro-membrane separation processes (electrodialysis, electrodeionization), water soluble polymers, pressure driven membrane processes (reverse osmosis and ultrafiltration), ion exchange, magnetic sorbents, natural polymers (cellulose), separation and recovery of heavy metals and toxic anions (fluoride, nitrate) and water/ wastewater treatment.

Dr. Tao Zhu, Ph.D., Professor, Director of Institute of Atmospheric Environment Management and Pollution Control, China University of mining and technology (Beijing). More than 100 papers have been published in domestic and foreign journals, including more than 30 SCI papers and more than 30 EI papers. He has published 8 books, including 4 monographs. He has successively won outstanding talents in the new century in China; outstanding talents in Beijing; Sun Yuezaki Energy Science and Technology Award of the National Science and Technology Development Foundation; Young Science and Technology Award of the Chinese Society of Environmental Sciences; 3 provincial and ministerial science and technology progress awards.

Md. Ahmaruzzaman is currently working as associate Professor in the Department of Chemistry, National Institute of Technology Silchar, India. He received his postgraduate degree in M.Sc. (Chemistry) from North Bengal University after his graduation from the same University. He also received his postgraduate degree in M.Tech. (Energy Science & Technology) from Jadavpur University. He obtained his Ph.D. degree from Indian Institute of Technology Delhi. He has supervised several projects at the post graduate level and produced several PhDs. He has published more than 150 research papers in international journals as well as in various national and international conferences. He has more than 7000 Citations in International Journals. He is a reviewer of various peer-reviewed reputed International and National journals.

Dr. Wang is an associate professor of Zhengzhou University in Zhengzhou, China. His academic background involves waste management, recycling of solid wastes and wastewater treatment. He has published over 50 research papers on prestigious SCI-indexed journals, with total citations above 910 and H-index 19. Dr. Wang has obtained 10 Chinese licensed patents. He has been serving as Associate Editor of Journal of the Air & Waste Management Association, and editorial board member of Sustainability and Current Analytical Chemistry.

Hairui Yang is a Professor in the Department of Energy and Power Engineering, Tsinghua University, China. He mainly focuses on fluidizing conversion technology, energy saving and combustion optimization, emission control, energy storage and waste utilization. Hairui Yang has published more than 200 papers in peer reviewed journals and international conference proceedings.

Rafael is Professor of Law at Alfaisal University (Riyadh, Kingdom of Saudi Arabia) and held the first ever Jean Monnet Chair in EU International Economic Law awarded in the UK by the European Union. Rafael is on the roster of arbitrators and trade and sustainable development (TSD) experts in bilateral disputes under the European Union's trade agreements with third countries, selected by the Directorate-General for Trade, European Commission. He is also on the roster of experts for legal services of the Energy Community Secretariat (Vienna, Austria).

Dr. Xu Hongpeng obtained a PhD from Huazhong University of Science and Technology. His research interests include theory of the multiphase flow, combustion modelling, solid waste recycling and Current Chinese Science wastewater treatment. His research goal is to explore the advanced clean technology of waste recycling and efficient wastewater treatment so that the environmental pollution could be solved. Or far he has published 16 papers in international journals.