This book reflects the new dimension of biofuel production from its introductory principles to the advancements in future prospective. It summarizes the rationale for changes in liquid fuel utilization and selection of new technologies with an aim to make biofuel cost-effective to move towards a carbon-neutral approach.

Chapter 1. Sustainability of Waste Cooking Oil for the Production of Biodiesel and Its Tribological Applications: A Review. Chapter 2. Application of Nanofluids in Solar Desalination Process: A Review. Chapter 3. Nanomaterials as Additives in Biodiesel. Chapter 4. Challenges and Future Prospects of Biofuel Generations: An Overview. Chapter 5. A Comparative Study of Physicochemical Properties and Performance Characteristics of Various Biodiesel Feedstock: An Overview. Chapter 6. Chemical Processing Techniques Related to Bio-Waste for Their Conversion to Biofuel. Chapter 7. The Effectiveness of Balanites aegyptiaca Oil Nanofluid Augmented with Nanoparticles as Cutting Fluids during the Turning Process. Chapter 8. Lignocellulose Biomass Pyrolysis for Bio-Oil Production: Biomass Pre-treatment Methods for Production of Drop-In Fuels. Chapter 9. Thermochemical Production of Bio-Oil: Downstream Processing Technologies for Bio-Oil Upgrading, Production of Hydrogen, and High Value-Added Products. Chapter 10. Free Fatty Acids and Their Role in CI Engines