Fuel and engine oil composition and its use

摘要

A composition is provided that contains a major amount of a base oil and a minor amount of at least one butylene oxide-modified alkyl-bis-ethoxylated monoamine, wherein the alkyl group have carbon atoms in the range of 8 to 22 and ethylene oxide to butylenes oxide is in a ratio in the range of 3:1 to 2:1. The composition provides improved friction modification in fuel and in lubricating oils.