| 摘要 |
An internal combustion engine system uses a blended fuel of gasoline and ethanol, operates with high efficiency, and can inhibit nitrogen oxide and the like from being discharged. The internal combustion engine system includes: a fuel tank 3 that accommodates a blended fuel having an octane number of 80 to 100, which has been prepared by blending gasoline having the octane number of 30 to 85 and ethanol into a weight ratio between 9:1 and 6:4; A separating device for adding water to the blended fuel to separate the blended fuel into the gasoline and an ethanol-water mixture liquid; A reforming device for reforming one part of the ethanol-water mixture liquid to produce a mixture liquid of diethyl ether and water; and fuel injectors which independently inject each of the gasoline, the ethanol-water mixture liquid and the mixture liquid of diethyl ether and water.
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