Singh, Bhaskar: - Dr. Bhaskar Singh received his Ph.D. from the Indian Institute of Technology (BHU), Varanasi, UP, India, in 2010. He also holds an M. Phil. from Pondicherry (Central) University, India, with a gold medal (2006). He is currently serving as an Assistant Professor at the Centre for Environmental Sciences, Central University of Jharkhand, Ranchi, India. Dr. Singh is currently engaged in teaching in the thrust areas of environmental sciences like environmental earth science, natural resources, environmental chemistry, environmental pollution monitoring and, control technologies, etc. He is a reviewer of several international journals, viz., Fuel, Renewable Energy, and Renewable & Sustainable Energy Reviews. His current interests lie in the application of algal biomass for biodiesel synthesis, development of heterogeneous and green catalysts, and corrosion aspects of biodiesel fuel. He has published more than 40 research and review papers in peer-reviewed and high-impact international journals and 14 book chapters by international publishers. He has co-edited & co-authored 3 books.

Kumar, Dipesh: - Dr. Dipesh Kumar is currently serving as a post-doctoral research associate at the Centre for Energy in the Indian Institute of Technology Guwahati. As part of Ph.D. research, he worked on the synthesis of biodiesel from non-edible feedstocks of Indian origin and improvement of their fuel properties using novel environmentally benign approaches. He has a total of 18 scholarly publications, including 10 articles in highly cited journals (09 in Q1 and 01 in Q4) in the field of renewable energy and environmental engineering to his credit. The average impact factor of his publications is 5.758, and to date, his contributions have received over 180 citations. His research interests lie in clean alternative fuels, life cycle assessment, and techno-economic viability of alternative biofuels and biorefinery.