REXOIL SMOKE STOP 10W-40 is formulated with a combination of synthetic and premium quality base oils and advanced additive which is high-quality semi-synthetic multigrade engine oil for use in gasoline, LPG and diesel engines of passenger cars, samll commercial vehicles, light trucks and vans with or without turbocharger. Effective detergent and dispersant additives prevent deposit formation and keeps engine clean. It forms extra protection layer aganist to arasion by bonding to surface of engines with smart molecules that contains. It reduces exhaust fumes.