Book "Operational materials . Automotive fuels, lubricants and special liquids (classification, definition of indicators)”, created by the team of authors, is an indispensable source of knowledge for all who are interested in cars and their maintenance This work immerses the reader in the world of operational materials necessary to ensure reliable and safe operation of vehicles. From the first pages, the book captures attention, offering a deep understanding of the different types of automotive fuels, lubricants, and special fluids. Here you will find not only the classification of these materials, but also a detailed description of their characteristics and indicators, which makes this book a real guide to the complex and multifaceted world of automotive chemistry. The book will be of interest to a wide range of readers: from students of technical universities and novice mechanics to experienced specialists and motorists seeking to deepen their knowledge. If you want to understand how to choose the right fuel for your car, what lubricants will ensure the durability of the engine, or what special liquids are needed to maintain the optimal operation of the cooling system, then this book will become your reliable assistant. The topics raised in the book cover not only technical aspects, but also environmental issues related to the use of various materials. In today's world, where concern for the environment is becoming more urgent, understanding the impact of operational materials on the environment is becoming an important aspect for every motorist. The book invites readers to take a look at the problems of ecology and sustainable development, which makes it especially relevant in the light of current trends. The style of the authors is characterized by accessibility and clarity of presentation, which allows even complex technical points to be perceived easily and with interest. Each section of the book is logically structured, which helps the reader quickly find the necessary information. The team of authors consists of experienced specialists who not only have rich theoretical baggage, but also practical experience in the field of automotive engineering. This gives the book special value, because it contains not only scientific knowledge, but also practical advice that can be useful in everyday life. If you are looking for books on automotive topics that will help you understand the intricacies of operating your car, “Operational materials” will be an excellent choice. It can be compared with other works in the field of automotive engineering, such as "Automotive Liquids. A Complete Guide” or “Lubricants: Selection and Application”, but the uniqueness of this book lies in its comprehensive approach to the topic and in-depth analysis of each aspect. Do not miss the opportunity to expand your knowledge and skills in the field of vehicle operation Book "Operational materials . Automotive fuels, lubricants and special liquids (classification, definition of indicators)” will become your reliable companion in the world of automotive technology, helping you make informed decisions and take care of your vehicle wisely.