Diesel fuel compositions having anti-wear properties

A method for inhibiting engine wear in an internal combustion reciprocating diesel engine operating on a compression ignition fuel comprising (1) a monohydroxy alkanol having from 1 to 5 carbon atoms, (2) an ignition accelerator, and (3) a wear inhibiting amount of a dimerized unsaturated fatty acid, said method comprising (a) supplying to the fuel induction system of said engine said compression ignition fuel, (b) inducting air into the combustion chambers of said engine, (c) compressing said air, (d) injecting said compression ignition fuel into said combustion chambers containing said compressed air (e) igniting said compressed mixture, and (f) exhausting the resultant combustion products resulting in reduced engine wear in said engine.

A method for preparing a compression ignition fuel adapted for use in diesel engines having anti-wear properties which comprises blending (1) a wear inhibiting amount of a dimerized unsaturated fatty acid, with (2) a monohydroxy alkanol having from 1 to 5 carbon atoms, and (3) an ignition accelerator.