When gasoline burns, nothing visible remains.

汽油燃烧时，能看见的东西都化为灰烬。

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When you smoke, the burning of the cigarette creates something called carbon monoxide (CO) -- the same stuff that's created when your car burns gasoline.

当你吸烟，烟草燃烧产生CO——和你的汽车燃烧汽油产生的物质是同样的。

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

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。

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Now, one of the things that you need to know is that when a car, an automobile burns gasoline, about 80 per cent of the heat value of the gasoline is lost in the inefficiency of the engine.

BBC: News | Monitoring | President Clinton on Shanghai radio phone-in