试验结果表明：LPG发动机成功起动所需的混合气浓度比汽油发动机的稀。

The results showed that the fuel-air mixture suitable for the LPG engine start is leaner than that of the gasoline engine.

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二冲程汽油机排气污染严重，尤其是燃烧混合油、浓混合气时有害物排放量大。

In a two-stroke gasoline engine, exhaust gas pollution is especially severe when it burns rich mixture of blended fuel.

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汽油机燃烧稀混合气是降低有害尾气排放、燃油消耗率的有效途径。

Lean burn mixture combustion of gasoline engine is an effective approach for reducing emissions and fuel consumption.

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