GSM and special liquids in the automotive and tractor industry . Part II”, created by the team of authors, is an important work that immerses the reader in the world of modern technologies and materials used in the automotive and tractor industry. This edition will be an indispensable assistant for students, engineers, mechanics and anyone interested in the details of the operation of vehicles and their maintenance. The second part of this book continues the research begun in the first, and goes deeper into the specifics of the use of fuel and lubricants (GSM) and special liquids. Readers will be able to learn about the latest advances in chemistry and materials science, which affect the efficiency of cars and tractors. The book covers a wide range of topics, including types of fuel and lubricants, their characteristics, testing methods and applications in various operating conditions. One of the main topics discussed in the book is the impact of the quality of fuel on the performance and durability of engines. The authors explain in detail how the right choice of oils and liquids can significantly improve the efficiency of machines, reduce the wear of parts and improve fuel economy. This is especially true for professionals working in the field of agriculture and car service, where the reliability of equipment is of paramount importance. The book will be of interest not only to specialists, but also to fans of technology who seek to better understand how their cars and tractors work. Thanks to the available language and clear explanations, even those who do not have deep technical knowledge will be able to understand complex issues and apply the knowledge gained in practice. The style of the authors is distinguished by scientific rigor, supported by practical examples and current research. They use modern methods and approaches, which makes the material relevant and useful for readers. The book also features graphs, tables, and illustrations that help to better digest information and visualize key points. Topics raised in "GSM and special fluids in automotive and tractor construction. Part II", covering not only technical aspects, but also environmental and safety issues. The authors discuss how the choice of environmentally friendly and safe liquids can reduce the negative impact on the environment, which is becoming increasingly important in the face of global climate change. If you are looking for books on automotive topics that will help you become more knowledgeable in the maintenance and operation of equipment, this publication will be an excellent choice. It will be useful not only for students of technical universities, but also for practitioners who want to update their knowledge and be aware of the latest trends in the field of fuel and special fluids. In conclusion, "GSM and special liquids in the automotive and tractor industry . Part II” is not just a tutorial, but a real find for anyone who wants to understand more deeply how modern machines work. This book opens the door to the world of technologies that make our lives easier and more convenient, and inspires further study and development in the field of automotive and tractor technology.