Dr Yashvir Singh is presently working as an associate professor in the Department of Mechanical Engineering, Graphic Era Deemed to be University, Dehradun, Uttarakhand, India. He has more than 15 years of teaching experience. He has written more than 85 research articles and published in various peer-reviewed journals. He is also a reviewer and editorial board member of various journals. His specialization includes areas like tribology, biofuels, lubrication, manufacturing, Additive Manufacturing etc. He has taught various subjects at UG and PG level, such as Non-conventional Machining processes, advanced manufacturing processes, Additive Manufacturing etc. He published various research papers in reputed journals and also reviewed various articles of the journals.Mr Prateek Negi is currently associated as an assistant professor in the Department of Mechanical Engineering, Graphic Era Deemed to be University, Dehradun, Uttarakhand, India. He area of specialization includes Thermal Energy Storage, Energy Technologies, Alternate Fuels and currently working on Tribological analysis of bio-lubricants. Being a reviewer of some peer-reviewed journals and have more than 20 journal and conference papers to his credit. Has taught various subjects at UG level which includes heat and mass transfer, thermodynamics, non-conventional energy resources, computer-aided design and manufacturing and operations research.Dr. Wei-Hsin Chen received his B.S. degree from the Department of Chemical Engineering, Tunghai University, Taichung City, Taiwan, in 1988, and a Ph.D. degree from the Institute of Aeronautics and Astronautics, National Cheng Kung University, in 1993. After receiving his Ph.D. degree, Dr. Chen worked in an iron and steel corporation as a process engineer for one and a half years (1994-1995). He joined the Department of Environmental Engineering and Science, Fooyin University in 1995 and was promoted to a Full Professor in 2001. In 2005, he moved to the Department of Marine Engineering, National Taiwan Ocean University. In 2007, he moved to Tainan as a Faculty Member at the Department of Green Energy Technology, National University of Tainan (2007-2013). He is a professor now (2013-) at the Department of Aeronautics and Astronautics, National Cheng Kung University. Professor Chen visited the Princeton University, USA, from 2004 to 2005, the University of New South Wales, Australia, in 2007, the University of Edinburg, UK, in 2009, and the University of British Columbia, Canada, from 2012 to 2013, as a Visiting Professor. His research topics include hydrogen production and purification, bioenergy, clean energy, carbon capture, and atmospheric science. He has published over 250 papers in international and domestic journals and conferences. He is also the author of three books concerning energy science and air pollution.
