Patent ID: 8425627

Claim:
A fuel additive concentrate comprising, a) an aliphatic or aromatic hydrocarbon solvent other than component (c); b) a friction modifier comprising a combination of an alkoxylated fatty amine and a fatty acid or derivative thereof, where the alkoxylated fatty amine has the formula: where R is a hydrocarbyl group having about 4 to 30 carbon atoms, A 1 and A 2 are vicinal alkylene groups, and the sum of x and y is an integer and is at least 1, and where the fatty acid or derivative thereof contains about 4 to 30 carbon atoms and comprises a fatty carboxylic acid, a partial ester of a fatty carboxylic acid, or a combination thereof; c) a branched aliphatic alcohol containing up to 16 carbon atoms; and d) a compatibilizer comprising a succinic acid or succinic anhydride containing 4 to 50 carbon atoms; wherein the fuel additive concentrate remains fluid at −8° C. or lower; wherein the solvent of component (a) has enough aromatic content to permit the fuel additive concentrate to be a fluid at −8° C.; wherein the additive concentrate contains an ashless detergent and wherein (a) the solvent is present at 10% to 90% by weight, (b) the friction modifier is present at 5% to 60% by weight, (c) the alcohol is present at 5% to 20% by weight and (d) the compatibilizer is present at 1% to 50% by weight.