Nippon Oil Corporation

Masanori Hirose

Hideshi Iki

The present invention provides a fuel composition capable of suppressing reduction of fuel consumption, maintaining the excellent exhaust gas properties of a Fischer-Tropsch synthetic oil. The fuel composition comprises a Fischer-Tropsch synthetic oil and a petroleum-based hydrocarbon mixture A having the following properties (1) to (5) in an amount of 10 to 30 percent by volume on the basis of the total mass of the composition: (1) 15&#xb0; C. density: 800 Kg/cmor greater and 900 Kg/mor less; (2) 10 volume % distillation temperature (T10): 150&#xb0; C. or higher and 200&#xb0; C. or lower; (3) 97 volume % distillation temperature (T97): 270&#xb0; C. or lower; (4) aromatic content: 40 percent by volume or more and 70 percent by volume or less; and (5) sulfur content: 30 ppm by mass or less.

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Yokohama, Japan

Masanori Hirose