Preprint. — Krasnoyarsk: Siberian Federal University, 2011. 104 s. — ISBN 978-5-7638-2243-4 . The classification of oil products pollution is presented, the mechanism of changing the operational properties of motor oils and measures to limit the amount of pollution during transportation and storage of oil products are considered. Modern methods of purification and regeneration of waste oils are presented . Designed for engineering and technical workers engaged in the restoration of used oils, the operation of machines and mechanisms, graduate students and students of technical specialties .