Avinash K Agarwal is a Professor in the Department of Mechanical Engineering in Indian Institute of Technology Kanpur. His areas of interest are IC engines, combustion, alternative fuels, conventional fuels, optical diagnostics, laser ignition, HCCI, emission and particulate control, and large bore engines. He has published 24 books and 230+ international journal and conference papers. Prof. Agarwal is a Fellow of SAE (2012), ASME (2013), ISEES (2015) and INAE (2015). He received several awards such as Prestigious Shanti Swarup Bhatnagar Award-2016 in Engineering Sciences, Rajib Goyal prize-2015, NASI-Reliance Industries Platinum Jubilee Award-2012; INAE Silver Jubilee Young Engineer Award-2012; SAE International’s Ralph R. Teetor Educational Award-2008; INSA Young Scientist Award-2007; UICT Young Scientist Award-2007; INAE Young Engineer Award-2005. Jai Gopal Gupta is a faculty member in the Government Women Engineering College, Ajmer, India. He has done his PhD from the Department of Mechanical Engineering in IIT Kanpur and his research interests include performance, emission and combustion analysis in internal combustion engines, alternative fuels, and renewable energy resources. He has worked with the Combustion Engine and Energy Conversion (CEnEC) laboratory, Hanyang University, South Korea under the Indo-Korean Research Internship (KRI) Program. He has edited a book and authored 2 book chapters and 13 research articles. Nikhil Sharma is a scientist in the Engine Research Laboratory in IIT Kanpur, India. He received his M.Tech. in Mechanical Engineering from NIT Hamirpur, India in 2012. and his Ph.D. from IIT Kanpur, in 2017. He was an assistant professor at Amity University’s Department of Mechanical and Automation Engineering, Noida as an. His areas of research include alternative fuels for IC engines (biodiesel, alcohols), emission control and particulate characterisation. Dr. Akhilendra Pratap Singh is a CSIR Pool Scientist at Indian Institute of Technology Kanpur. He received his Masters and PhD in Mechanical Engineering from Indian Institute of Technology Kanpur, India in 2010 and 2016 respectively. His areas of research include advanced low temperature combustion; optical diagnostics with special reference to engine endoscopy and PIV; combustion diagnostics; engine emissions measurement; particulate characterization and their control; and alternative fuels. Dr. Singh has edited 5 books and authored 17 book chapters, 34 research articles in journals and conferences. He is a member of numerous professional societies, including SAE, ASME, and ISEES. He is a member of the editorial board of the ‘Journal of Energy, Environment and Sustainability’.