The text provides a holistic view to reduce the use of fossil fuels and move towards sustainable future transportation fuels like biodiesel, ethanol, and hydrogen fuels. It explores the compatibility of biodiesel with vehicles and its utilization across various transport modes. The text further analyses the performance metrics, efficiency, and environmental impact compared to conventional diesel.

This book:

• Provides an overview of alternative fuel sources, and offers a comprehensive analysis of biodiesel, ethanol, and hydrogen fuel.
• Investigates practical applications via extensive case studies, which provide insights into how alternate fuels are being used in transportation.
• Examines global policies, political efforts, and economic frameworks to provide readers with a comprehensive understanding of the regulatory framework.
• Covers proton exchange membrane fuel cell, escalating methanisation in conventional biogas units, diesel engine performance enhancement through nano-additives, circular economy, and E-waste management.
• Presents an in-depth analysis of the energy output of ethanol and its impact on vehicle performance metrics, and emissions reduction.

It is primarily written for senior undergraduates, graduate students, and academic researchers in the fields of mechanical engineering, energy engineering, environmental engineering, manufacturing engineering, industrial and production engineering, and automotive engineering.

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 paper 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. His Google Scholar Webpage is https://scholar.google.com/citations?user=62ETN78AAAAJ&hl=en.

Ashwani Kumar holds a Ph.D. in Mechanical Engineering with a diverse and impressive career spanning over 15 years. He currently holds the position of Professor & Head of Department Mechanical Engineering (Gazetted Officer Class 1) at the Technical Education Department Uttar Pradesh ( Government of Uttar Pradesh) in Kanpur, India. Prior to his current role, Dr. Kumar served as Senior Lecturer & Lecturer in same organization and Assistant Professor in the Department of Mechanical Engineering at Graphic Era University, Dehradun (ranked 52th by NIRF India) from July 2010 to November 2013. Beyond his academic contributions, Dr. Kumar possesses extensive leadership and administrative experience. He has held numerous key positions within the education sector, 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 for Joint Entrance Examination (JEE-Diploma), and Sector Magistrate for State Assembly and General Elections. Dr. Kumar is a passionate researcher and a prominent figure in the field of academic publishing. His dedication to knowledge dissemination is evident in his role as Series Editor for eight distinguished book series published by international publishers of repute. These series encompass a wide range of topics, titled as: Advances in Manufacturing, Design and Computational Intelligence Techniques / Renewable and Sustainable Energy Developments / Smart Innovations and Technological Advancements in Mechanical and Materials Engineering / Solar Thermal Energy Systems: Advancements in Engineering, Ergonomics, and Sustainable Development / Artificial Intelligence and Machine Learning for Intelligent Engineering Systems / Computational Intelligence and Biomedical Engineering/ Advances in Green Technologies for Sustainable Energy Solutions/ Advances in Materials, Manufacturing and Computational Intelligence Techniques. Dr. Kumar's editorial expertise extends beyond book series. He serves as Editor-in-Chief for the International Journal of Materials, Manufacturing and Sustainable Technologies (IJMMST, ISSN: 2583-6625), and Editor of the International Journal of Energy Resources Applications (IJERA, ISSN: 2583-6617). He has also been a guest editor for a special issue of Buildings titled as Sustainable Buildings, Resilient Cities and Infrastructure Systems (ISSN: 2075-5309, I.F. 3.1) and holds editorial board positions on eight international journals and acts as review board member of 20 prestigious (Indexed in SCI/SCIE/Scopus) international journals with high impact factor. Dr. Kumar's dedication to scholarship is further demonstrated by his prolific authorship of over 200+ articles in prestigious journals, book chapters, and conference proceedings. Additionally, he has co-authored or edited over 40+ books in Mechanical Engineering, Materials Science, and Renewable Energy Engineering. Dr. Kumar's achievements have been recognized with prestigious awards, including a Best Teacher award for excellence in academics and research. He has also successfully guided 15 students through their B.Tech., M.Tech, and Ph.D. theses and currently serves as an external doctoral committee member at S.R.M. University, New Delhi. Dr. Kumar is actively involved in cutting-edge research, focusing on areas such as Artificial Intelligence and Machine Learning in Mechanical Engineering, Smart Materials and Manufacturing Techniques, Thermal Energy Storage, Building Efficiency, Renewable Energy Harvesting, Sustainable Transportation, and Heavy Vehicle Dynamics. He holds four patents and frequently participates in international conferences as an invited speaker, session chair, and member of advisory boards, review boards, and program committees. Dr. Kumar's ORCID ID is 0000-0003-4099-935X and Google Scholar link: https://scholar.google.com/citations?hl=en&user=KOILpEkAAAAJ.

Sujeet Kesharvani is a distinguished academician and researcher specializing in renewable energy technologies, alternative fuels, hydrogen energy, sustainable development, and internal combustion engine optimization. He earned his Doctorate from the renowned Energy Centre at Maulana Azad National Institute of Technology (MANIT), Bhopal. He also holds an M. Tech in Renewable Energy from NIT Hamirpur and a B. Tech in Mechanical Engineering from SIET Allahabad, establishing a strong interdisciplinary foundation in energy systems and engineering applications. Dr. Kesharvani has authored more than 35 research papers published in reputed international journals and conferences, reflecting the depth and relevance of his scholarly contributions. He has also been actively involved in the development of patents and high-impact research projects, particularly in the domains of carbon footprint analysis, life cycle assessment (LCA), hydrogen fuel technologies, and waste-to-value-added products. His technical proficiency spans a wide array of tools and platforms, including ASPEN Plus, Diesel RK, Design Expert, MATLAB, Python, and various LCA software, which he leverages to perform advanced modeling, simulation, optimization, and data analysis. With a strong commitment to academic excellence and sustainability he continues to contribute meaningfully to both research and education, bridging the gap between theoretical advancements and practical solutions in the evolving energy landscape. Dr. Kesharvani Google Scholar link https://scholar.google.com/citations?user=0RH70WgAAAAJ&hl=en.