PROBLEM TO BE SOLVED: To provide a fuel composition allowing extension of a combustion range of CAI combustion to the range that cannot be achieved in conventional gasoline by understanding a property and a composition which are needed in a fuel oil composition which can be used in a load condition range in which CAI combustion is achieved.;SOLUTION: The fuel oil composition for premixed compressed ignition gasoline engine is characterized in that a sulfur content is 10 mass ppm or less; 90 vol.% distillation temperature is 260.0°C or less; an ignitability index (IQI) is 25 or more; an antiknock index (AKI) is 50 or more; a CO2 emission factor (CO2I) is 0.070 or less (CO2-g/kJ); and an aromatic property (Ha/Htotal) is 0.080 or less.;COPYRIGHT: (C)2010,JPO&INPIT
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机译：解决的问题：提供一种燃料组合物，其通过理解可用于汽油的燃料组合物中所需的性质和组成，来将CAI燃烧的燃烧范围扩展到常规汽油无法达到的范围。解决方案：用于预混合压缩点火汽油发动机的燃料油组合物的特征在于硫含量为10质量ppm或更低; 90vol。％的蒸馏温度为260.0℃或更低。可燃性指数（IQI）为25以上;抗爆指数（AKI）为50或更高; CO 2 排放因子（CO2I）为0.070或更低（CO2-g / kJ）;芳香性（Ha / Htotal）为0.080以下。;版权所有（C）2010，JPO＆INPIT
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