Fuel composition comprising a nitrogen-containing compound

Abstract

A fuel additive concentrate comprising at least one aryl amine; and at least one metal-containing compound is disclosed. In an aspect, the fuel additive concentrate can be synergistic. Fuel composition comprising the fuel additive concentration and methods of combusting the fuel composition are also disclosed. Moreover, methods of enhancing research octane number, increasing fuel economy, and reducing the carbon footprint of a vehicle are also disclosed.

What is claimed is: 
     
         1 - 34 . (canceled) 
     
     
         35 . A blend of combustion improvers useful for optimizing octane response of a fuel comprising mixtures of:
 at least one aryl amine selected from the group consisting of n-methyl-p-toludine, N-arylphenylenediamines, 4-isopropylaminodiphenylamine, phenyl-α-naphthyl amine, and ring-alkylated diphenylamines; and   a material selected from the group consisting of MMT/CMT, MMT/RMn(CO) 5  where R is an aryl- or alkyl-radical species, and mixed metal organometallics;   wherein the mixed metal organometallics are selected from the group consisting of Mn/Fe, Mn/Ce, Mn/Pt, Mn/Platinum-group metals, Mn/Cu, Fe/Ce, Fe/Platinum-group metals, Fe/Cu, Mn/Pb, Fe/Pb, Ce/Pb, and Pb/Platinum-group metals.   
     
     
         36 . A method for solubilizing a solid fuel additive in a hydrocarbonaceous fuel, said method comprising:
 combining, in any order, at least one solid fuel additive; at least one aryl amine selected from the group consisting of n-methyl-p-toluidine, N-arylphenylenediamines, 4-isopropylaminodiphenylamine, phenyl-α-naphthyl amine, and ring-alkylated diphenylamines; and a hydrocarbonaceous fuel.   
     
     
         37 . The method of  claim 36 , wherein the solid fuel additive is selected from the group consisting of cyclopentadienyl manganese tricarbonyl, ferrocene, and compounds derived from platinum, cerium, copper, cobalt, tungsten, molybdenum, lanthanum, iron, palladium, and barium. 
     
     
         38 . A method for synergistically enhancing research octane number of gasoline comprising:
 (a) combining at least one aryl amine selected from the group consisting of n-methyl-p-toluidine, N-arylphenylenediamines, 4-isopropylaminodiphenylamine, phenyl-α-naphthyl amine, and ring-alkylated diphenylamines; and   at least one metal-containing compound; and   (b) adding said combination to the gasoline.   
     
     
         39 . The method of  claim 38 , wherein the at least one metal-containing compound is selected from the group consisting of cyclopentadienyl manganese tricarbonyl, ferrocene, and compounds derived from platinum, cerium, copper, cobalt, tungsten, molybdenum, lanthanum, iron, palladium, and barium. 
     
     
         40 . The method of  claim 38 , wherein the at least one metal-containing compound is selected from methylcyclopentadienyl manganese tricarbonyl, cyclopentadienyl manganese tricarbonyl, and ferrocene. 
     
     
         41 . A method for increasing fuel economy in a vehicle, comprising:
 providing to a vehicle a fuel composition comprising at least one metal-containing compound, and at least one aryl amine selected from the group consisting of n-methyl-p-toluidine, N-arylphenylenediamines, 4-isopropylaminodiphenylamine, phenyl-α-naphthyl amine, and ring-alkylated diphenylamines.   
     
     
         42 . The method of  claim 41 , wherein the at least one metal-containing compound is selected from the group consisting of cyclopentadienyl manganese tricarbonyl, ferrocene, and compounds derived from platinum, cerium, copper, cobalt, tungsten, molybdenum, lanthanum, iron, palladium, and barium. 
     
     
         43 . The method of  claim 41 , wherein the at least one metal-containing compound is selected from methylcyclopentadienyl manganese tricarbonyl, cyclopentadienyl manganese tricarbonyl, and ferrocene. 
     
     
         44 . A method for reducing the carbon footprint of a vehicle comprising:
 providing to a vehicle a synergistic fuel composition comprising at least one metal-containing compound, and at least one aryl amine selected from the group consisting of n-methyl-p-toluidine, N-arylphenylenediamines, 4-isopropylaminodiphenylamine, phenyl-α-naphthyl amine, and ring-alkylated diphenylamines.   
     
     
         45 . The method of  claim 44 , wherein the at least one metal-containing compound is selected from the group consisting of cyclopentadienyl manganese tricarbonyl, ferrocene, and compounds derived from platinum, cerium, copper, cobalt, tungsten, molybdenum, lanthanum, iron, palladium, and barium. 
     
     
         46 . The method of  claim 44 , wherein the at least one metal-containing compound is selected from methylcyclopentadienyl manganese tricarbonyl, cyclopentadienyl manganese tricarbonyl, and ferrocene. 
     
     
         47 . A method of increasing fuel economy in an advanced DIG engine comprising:
 combining fuel and a gasoline additive composition in an advanced DIG engine,   wherein the gasoline additive composition comprises at least one aryl amine and at least one metal-containing compound, and   wherein the advanced DIG engine comprises at least one of a high compression ratio, turbocharge or supercharge, and piezo injectors.   
     
     
         48 . The method of  claim 47 , wherein the at least one metal-containing compound is selected from methylcyclopentadienyl manganese tricarbonyl, cyclopentadienyl manganese tricarbonyl, and ferrocene. 
     
     
         49 . The method of  claim 47 , wherein the at least one aryl amine is selected from the group consisting of toluidines, N-arylphenylenediamines, 4-isopropylaminodiphenylamine, phenyl-α-naphthyl amine, and ring-alkylated diphenylamines.