Shell Oil Comapny

Shell Internationale Research Maatschappij, B.v.

James Patrick Ewen

Richard Hugh Clark

Paul Anthony Stevenson

Richard John Heins

Robert Wilfred Matthews Wardle

Balasubramanian Chinnusamy

Diesel fuel composition suitable for use in an internal combustion engine comprising: (a) 2 mass % to 30 mass % of kerosene having a kinematic viscosity at 40&#xb0; C. of 1.5 mm/s or less and a density of 810 kg/mor less; (b) 2 mass % to 20 mass % of Fischer-Tropsch derived base oil having a kinematic viscosity at 40&#xb0; C. of 7.5 mm/s or greater and a density of 790 kg/mor greater; and (c) diesel base fuel. The diesel fuel composition of the present invention provides improved cold flow properties while simultaneously maintaining other properties such as viscosity and density within diesel fuel specification requirements.

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Devon, United Kingdom

James Patrick Ewen