This book explores the main methods and processes for producing fuels and lubricants. It details the operational properties of these substances and special liquids, highlighting their key quality indicators and how they influence the technical and economic performance of the machinery in which they are used. Additionally, it discusses their environmental characteristics, such as toxicity and electrostatic properties. The content aligns with the recommended curriculum for the discipline "Fuel and Lubricants," approved by the Russian Ministry of Education for undergraduate programs in Agricultural Engineering (110800) and Operation of Transport and Technical Machines and Complexes (190600).