Abstract: A fuel composition for use in an internal combustion engine containing (a) a diesel fuel, (b) ethanol, (c) a surfactant, and optionally (d) a combustion improver, which provides lubricity to the engine and reduces exhaust emissions.
Type:
Grant
Filed:
March 13, 2003
Date of Patent:
April 24, 2007
Assignee:
The Lubrizol Corporation
Inventors:
Keith C. Corkwell, Daniel T. Daly, Mitchell M. Jackson
Abstract: A gasoline additive concentrate composition comprises a solvent, an alkoxylated fatty amine, and a partial ester having at least one free hydroxyl group and formed by reacting at least one fatty carboxylic acid and at least one polyhydric alcohol. A fuel composition comprises gasoline and the gasoline additive concentrate composition. A method of operating a gasoline internal combustion engine comprises fueling the engine with the fuel composition and is effective in reducing fuel consumption.