The text discusses energy-efficient vehicles as an essential element of sustainable transportation.

Dr. Varun Pratap Singh received Ph.D. (Mechanical Engineering) in the area of Solar Energy. He is currently working as Assistant Professor, Department of Mechanical Engineering and Head-Solar Energy Centre at University of Petroleum and Energy Studies Dehradun India. He has more than 11 years of research and academic experience in mechanical engineering and renewable energy. He has published 03 patent, 05 research articles in SCI journals and conferences. completed five projects as Principal Investigator (PI) and two projects as Co-PI with a total research grant of more than twenty lakh INR for government as well as Industry partners. He has delivered many invited talks in webinar, FDP and Workshops and attended 15+ MOOCs and 15+ FDPs from various national bodies like IITs, AICTE and international bodies like Delft University of Technology-Netherlands, Tsinghua University-China, National Chiao Tung University- Taiwan and The International Monetary Fund (IMF). He has been awarded as Award for outstanding mentoring of students and Perfect faculty award for excellence in academic and research. He has successfully guided 16 B.Tech., M.Tech and Ph.D. thesis. In administration he is working as head for Centre of Excellence, COER. As an academician Renewable Energy, Solar-Thermal application, Automation and Special Propose Machining (SPM) are his interest areas of association. His ORCID ID is 0000-0002-2148-5604.

Dr. Ashwani Kumar received Ph.D. (Mechanical Engineering) in the area of Mechanical Vibration and Design. He is currently working as Senior Lecturer, Mechanical Engineering (Gazetted Officer Group B) at Technical Education Department Uttar Pradesh (under Government of Uttar Pradesh) Kanpur, India since December 2013. He has worked as Assistant Professor in Department of Mechanical Engineering, Graphic Era University Dehradun India (NIRF Ranking 55) from July 2010 to November 2013. He has more than 13 years of research, academic and administrative experience including Coordinator for AICTE-Extension of Approval, Nodal officer for PMKVY-TI Scheme (Government of India), internal coordinator-CDTP scheme (Government of Uttar Pradesh), Industry Academia relation officer, Assistant Centre Superintendent (ACS)-Institute Examination Cell, Zonal Officer to conduct Joint Entrance Examination (JEE-Diploma), Sector Magistrate for Lok Sabha- Vidhan Sabha Election etc. Being an academician and researcher, he is Series Editor of 4 book series Advances in Manufacturing, Design and Computational Intelligence Techniques1/ Renewable and Sustainable Energy Developments2/ Smart Innovations and Technological Advancements in Mechanical and Materials Engineering3/ Computational Intelligence and Biomedical Engineering4 published by CRC Press (Taylor & Francis USA)1-3 and Wiley Scrivener Publishing4 USA. He is guest editor of three special issues titled as Sustainable Buildings, Resilient Cities and Infrastructure Systems (Buildings ISSN: 2075-5309, I.F. 3.8), Thermal Energy Systems: Smart Design, Control and Optimisation (Energies ISSN: 1996-1073, I.F. 3.2), and Bioresorbable Composites for drug-Eluting Devices and Emerging Biomedical Applications (Bioengineering ISSN: 2306-5354, I.F. 4.6). He is Editor-in-Chief for International Journal of Materials, Manufacturing and Sustainable Technologies (IJMMST, ISSN: 2583-6625), and Editor of International Journal of Energy Resources Applications (IJERA, ISSN: 2583-6617). He is guest editor & editorial board member of 8 international journals and acts as review board member of 20 prestigious (Indexed in SCI/SCIE/Scopus) international journals with high impact factor i.e. Applied Acoustics, Measurement, JESTEC, AJSE, SV-JME, and LAJSS. In addition he has published 100+ research articles in journals, book chapters and conferences. He has authored/co-authored cum edited 30+ books of Mechanical, Materials and Energy Engineering. He has published 2 patents. He is associated with International Conferences as Invited Speaker/Session Chair/ Advisory Board/Review Board member/Program Committee Member. He has delivered many invited talks in webinar, FDP and Workshops. He has been awarded as Best Teacher for excellence in academic and research. He has successfully guided 15 B.Tech., M.Tech and Ph.D. thesis. He is external doctoral committee member of S.R.M. University, New Delhi. He is currently involved in the research area of AI & ML in Mechanical Engineering, Smart Materials & Manufacturing Techniques, Thermal Energy Storage, Building Efficiency, Renewable Energy Harvesting, Sustainable Transportation and Heavy Vehicle Dynamics. His ORCID ID is 0000-0003-4099-935X, Google Scholar web link is https://scholar.google.com/citations?hl=en&user=KOILpEkAAAAJ and research gate web link is https://www.researchgate.net/profile/Ashwani-Kumar-45.

Dr. Chandan Swaroop Meena is presently working as a Scientist in Building Energy Efficiency Department and Assistant Professor in Academy of Scientific & Innovative Research (AcSIR) at CSIR-Central Building Research Institute, Roorkee (Ministry of Science and Technology, Government of India). He has done his Ph.D. in thermal engineering from IIT Roorkee, and M.Tech in thermal engineering from NIT Kurushetra. He does research in renewable energy utilization techniques, geothermal systems, building energy efficiency, two-phase flow, heat transfer. He is Life Member of Indian Society of Heat and Mass Transfer (ISHMT), Life Member of India Building Congress (IBC), and Life Member of The Institution of Engineers India (IEI). He has published 29 research articles in reputed Journals and International Conferences. He is associated with International Conferences as Invited Speaker/ Advisory Board/Review Board member. He has delivered many invited talks in webinar, FDP and Workshops.

Dr. Gaurav Dwivedi has completed his B.Tech in Mechanical Engineering from IKGPTU Jalandhar, M.Tech in Energy Systems from IIT Roorkee and PhD in the field of Renewable Energy (Biofuel) from IIT Roorkee, India. He has 9 years of teaching experience in the field of Mechanical & Energy Engineering and taught various subjects like IC Engine, Thermodynamics, Fluid Machinery, Bioenergy and others at various Institute like VIT University Vellore and Amity University Noida. Currently, he is working as Assistant Professor in the Energy Centre at Maulana Azad National Institute of Technology, Bhopal India. His area of interest is Biodiesel Production methodology, enhancement in fuel properties and application of biofuel on engine operation. He has published more than 100 papers in various International Journal and conferences. He got more than 50 papers in SCI and Scopus Indexed Journal. He has published one book with International Publisher along with that he has contributed eight book chapters. He got Young Scientist award at NIT Trichy for his contribution in the field of Renewable energy. He is an active member of Institution of Engineers, India and Solar Energy Society of India and IEEE. He also served as Guest Editor for Material Today proceedings and Journal of Traffic and Transportation. Recently he also featured in “Top 2% scientist of the world from India (all fields)” by a survey conducted by Stanford University.