High fuel economy passenger car engine oil

摘要

A lubricating oil for improving the fuel economy of internal combustion engines is disclosed comprising a major amount of a lubricating oil base stock and a minor amount of an additive package which comprises in combination a molybdenum dithiocarbamate friction modifier, a mixture of calcium and magnesium salicylate and magnesium sulfonate detergent, and alkylated (alkoxy) amine. In addition the engine lubricant can include other typical engine oil lubricant additives including dispersants, anti-foaming agents, anti-oxidants, anti-wear additives, demulsifiers, etc.