An additive package composition comprising: I) an ester containing quaternary ammonium salt ("ester quat"), wherein the ester quat comprises the reaction product of: a) a quaternizable compound that is the reaction product of: (i) a hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl-substituent has a number average molecular weight less than 300 and comprises at least one dodecenyl succinic anhydride, dodecenyl succinic acid, hexadecenyl succinic anhydride, hexadecenyl succinic acid, octadecenyl succinic anhydride, octadecenyl succinic acid, or mixtures thereof; and (ii) a nitrogen containing compound having an oxygen atom capable of reacting with said hydrocarbyl-substituted acylating agent to form an ester, and further having at least one quaternizable amino group; and b) a quaternizing agent suitable for converting the quaternizable amino group of the nitrogen containing compound to a quaternary nitrogen, wherein the quaternizing agent comprises at least one hydrocarbyl epoxide; and II) a hydrolyzed alkenyl succinic acid or anhydride with a molecular weight M n ranging from 225 to 1000. I) an ester containing quaternary ammonium salt ("ester quat"), wherein the ester quat comprises the reaction product of: a) a quaternizable compound that is the reaction product of: (i) a hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl-substituent has a number average molecular weight less than 300 and comprises at least one dodecenyl succinic anhydride, dodecenyl succinic acid, hexadecenyl succinic anhydride, hexadecenyl succinic acid, octadecenyl succinic anhydride, octadecenyl succinic acid, or mixtures thereof; and (ii) a nitrogen containing compound having an oxygen atom capable of reacting with said hydrocarbyl-substituted acylating agent to form an ester, and further having at least one quaternizable amino group; and b) a quaternizing agent suitable for converting the quaternizable amino group of the nitrogen containing compound to a quaternary nitrogen, wherein the quaternizing agent comprises at least one hydrocarbyl epoxide; and a) a quaternizable compound that is the reaction product of: (i) a hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl-substituent has a number average molecular weight less than 300 and comprises at least one dodecenyl succinic anhydride, dodecenyl succinic acid, hexadecenyl succinic anhydride, hexadecenyl succinic acid, octadecenyl succinic anhydride, octadecenyl succinic acid, or mixtures thereof; and (ii) a nitrogen containing compound having an oxygen atom capable of reacting with said hydrocarbyl-substituted acylating agent to form an ester, and further having at least one quaternizable amino group; and (i) a hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl-substituent has a number average molecular weight less than 300 and comprises at least one dodecenyl succinic anhydride, dodecenyl succinic acid, hexadecenyl succinic anhydride, hexadecenyl succinic acid, octadecenyl succinic anhydride, octadecenyl succinic acid, or mixtures thereof; and (ii) a nitrogen containing compound having an oxygen atom capable of reacting with said hydrocarbyl-substituted acylating agent to form an ester, and further having at least one quaternizable amino group; and b) a quaternizing agent suitable for converting the quaternizable amino group of the nitrogen containing compound to a quaternary nitrogen, wherein the quaternizing agent comprises at least one hydrocarbyl epoxide; and II) a hydrolyzed alkenyl succinic acid or anhydride with a molecular weight M n ranging from 225 to 1000. <EOS>