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Composition and Method for Reducing NOx and Smoke Emissions From Diesel Engines at Minimum Fuel Consumption

United States Patent Application

20110265773
A1
View the Complete Application at the US Patent & Trademark Office
A diesel fuel composition is disclosed, as well as a method for reducing NOx and smoke emissions from a diesel engine at minimum fuel consumption which comprises adding to the diesel engine at least one diesel fuel or blending component for a diesel fuel which has a combination of a low T50 in the range of from 190.degree. C. to 280.degree. C., a high cetane number in the range of from 31 to 60, and optionally a high distillation curve slope in the range of from 58.degree. C. to 140.degree. C., which combination is effective to afford a combination of the lowest NO.sub.x and smoke emissions at the lowest fuel consumption at independent engine control values for the diesel engine that are optimum to afford production of a combination of the lowest NOx and smoke emissions at the lowest fuel consumption, whereby the NOx and smoke emissions from the diesel engine are reduced by at least 10% and 15%, respectively.
Xu, Yi (Media, PA), Wolf, Leslie R. (Naperville, IL), Kumar, Shankar (Columbus, IN), Stanton, Donald W. (Columbus, IN), Frazier, Timothy R. (Columbus, IN), Bunting, Bruce G. (Knoxville, TN)
BP Corporation North America Inc. (Warrenville IL)
12/ 915,908
October 29, 2010
GOVERNMENT RIGHTS [0002] This invention was made with Government support under Contract No. DE-FC26-05NT42418 awarded by the Department of Energy. The Government has certain rights in this invention.