Automobile Engineering is a comprehensive guide designed to equip students, professionals, and enthusiasts with a solid understanding of the principles, design, and functioning of modern automobiles. Covering both fundamental concepts and advanced technologies, this book serves as a valuable resource for learners at various stages of their academic or professional journey. The text begins with the basics of vehicle layout, engine types, and power transmission systems, progressing into detailed discussions on automotive components such as the engine, gearbox, brakes, suspension, steering, and electrical systems. It explains the science behind internal combustion engines, alternative powertrains, and emerging trends like electric vehicles and hybrid technology. Special emphasis is given to maintenance practices, safety systems, emission control, and environmental considerations, helping readers understand the engineering solutions required for efficient, safe, and sustainable mobility. The book also includes real-world case studies, diagrams, and simplified explanations to make complex topics accessible. Aligned with current industry standards and academic curricula, this book integrates theoretical knowledge with practical insights. It is ideal for diploma and degree students in mechanical and automobile engineering, as well as practicing engineers looking to update their knowledge. By blending technical accuracy with clarity, Automobile Engineering ensures readers not only grasp how vehicles work but also develop the analytical skills to innovate and solve problems in the automotive field.