Fuel composition containing heavy fraction

Abstract

A fuel composition comprising: (a) a hydrocarbon fuel selected from the group consisting of diesel and gasoline; and (b) a synthetic blend, wherein the fuel composition further comprises a fuel additive composition comprising: (1) an ethoxylated alcohol composition having the structure: wherein R 1 is a C 6 , C 7 , C 8 , C 9 , C 10 , C 11 , C 12 , C 13 , C 14 , C 15 , or C 16 hydrocarbon, R 2 is H or CH 3 , and x is 1-7; (2) a polyethylene glycol ester composition having the structure: wherein R 3 is a C 11 , C 12 , C 13 , C 14 , C 15 , or C 16 , C 17 , C 18 , or C 19 hydrocarbon, R 4 is H or CH 3 , y is 1-20, R 5 is H or COR 3 ; and (3) an alkanolamide composition having the following general structure: wherein R 6 is a C 12 , C 13 , C 14 , C 15 , or C 16 , C 17 , or C 18 , hydrocarbon, R 7 is H or CH 2 CH 2 OH.

We claim:  
     
         1 . A fuel composition comprising: 
 (a) a hydrocarbon fuel selected from the group consisting of diesel and gasoline; and    (b) a synthetic blend.    
     
     
         2 . The fuel composition of  claim 1 , wherein the hydrocarbon fuel is diesel.  
     
     
         3 . The fuel composition according to  claim 2 , wherein the fuel composition further comprises a fuel additive composition comprising: 
 (1) an ethoxylated alcohol composition having the structure:                        wherein R 1  is a C 6 , C 7 , C 8 , C 9 , C 10 , C 11 , C 12 , C 13 , C 14 , C 15 , or C 16  hydrocarbon, R 2  is H or CH 3 , and x is 1-7;      (2) a polyethylene glycol ester composition having the structure:                        wherein R 3  is a C 11 , C 12 , C 13 , C 14 , C 15 , or C 16 , C 17 , C 18 , or C 19  hydrocarbon, R 4  is H or CH 3 , y is 1-20, R 5  is H or COR 3 ; and      (3) an alkanolamide composition having the following general structure:                        wherein R 6  is a C 12 , C 13 , C 14 , C 15 , or C 16 , C 17 , or C 18 , hydrocarbon, R 7  is H or CH 2 CH 2 OH.      
     
     
         4 . The fuel composition according to  claim 3 , wherein the fuel additive further comprises a nitrogen-containing component selected from the group consisting of urea, cyanuric acid, triazine, ammonia, and mixtures thereof.  
     
     
         5 . The fuel composition according to  claim 4 , wherein the nitrogen containing component is urea.  
     
     
         6 . The fuel composition according to  claim 3 , wherein in the fuel additive, component (1) is present in an amount from about 30% to 75% with respect to the fuel additive, component (2) is present in an amount from about 10% to 60% with respect to the fuel additive, and component (3) is present in an amount from about 10% to 60% with respect to the fuel additive.  
     
     
         7 . A fuel composition comprising: 
 (a) a hydrocarbon fuel selected from the group consisting of diesel and gasoline;    (b) biodiesel; and    (c) synthetic blend.    
     
     
         8 . The fuel composition of  claim 7 , wherein the hydrocarbon fuel is diesel  
     
     
         9 . The fuel composition according to  claim 8 , wherein the fuel composition further comprises a fuel additive composition comprising: 
 (1) an ethoxylated alcohol composition having the structure:                        wherein R 1  is a C 6 , C 7 , C 8 , C 9 , C 10 , C 11 , C 12 , C 13 , C 14 , C 15 , or C 16  hydrocarbon, R 2  is H or CH 3 , and x is 1-7;      (2) a polyethylene glycol ester composition having the structure:                        wherein R 3  is a C 11 , C 12 , C 13 , C 14 , C 15 , or C 16 , C 17 , C 18 , or C 19  hydrocarbon, R 4  is H or CH 3 , y is 1-20, R 5  is H or COR 3 ; and      (3) an alkanolamide composition having the following general structure:                        wherein R 6  is a C 12 , C 13 , C 14 , C 15 , or C 16 , C 17 , or C 18 , hydrocarbon, R 7  is H or CH 2 CH 2 OH.      
     
     
         10 . The fuel composition according to  claim 9 , wherein the fuel additive further comprises a nitrogen-containing component selected from the group consisting of urea, cyanuric acid, triazine, ammonia, and mixtures thereof.  
     
     
         11 . The fuel composition according to  claim 10 , wherein the nitrogen-containing component is urea.  
     
     
         12 . The fuel composition according to  claim 9 , wherein in the fuel additive, component (1) is present in an amount from about 30% to 75% with respect to the fuel additive, component (2) is present in an amount from about 10% to 60% with respect to the fuel additive, and component (3) is present in an amount from about 10% to 60% with respect to the fuel additive.  
     
     
         13 . A method of increasing the efficiency of a diesel-based fuel and decreasing the NO x  emissions from engines using such fuels, comprising the use of a fuel composition comprising: 
 (a) diesel; and    (b) a heavy fraction;    in an engine which is being operated at average ambient temperatures of at least 0° C.    
     
     
         14 . The fuel composition of  claim 1 , wherein the synthetic blend comprises natural gas condensate.