abstract |
A lubricating oil comprising a major amount of base oil and a minor amount of an additive package comprising a friction modifier component selected from:n (A) one or more friction modifiers of the formulae I and II: nn n n n n n n n n n n n (B) two or more friction modifiers independently selected from the formulae III and IV: n n n n n n n n n n n n n n andn (C) at least one friction modifier of the formulae III and IV in combination with at least one friction modifier of the formulae I and II, and R, R 1 , R 2 , R 3 , X and n are as defined in the specification. |