Burning gas, oil and coal creates air pollution.

燃烧可燃气体、石油和煤炭会产生空气污染。

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It will take years and billions of dollars to improve China's refineries to make higher-quality, cleaner-burning gas.

要对中国的炼油厂进行改造、从而生产更高质量的清洁汽油需要用数年时间，花费数十亿美元资金。

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As American and European electricity generators switch from coal to cleaner-burning gas, the market for large gas turbines is growing fast.

随着美国和欧洲的发电能源从煤向清洁燃烧能源的转变，大型燃气涡轮机的市场正快速增长。

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Greenhouse gas emissions, such as carbon dioxide, are created in part by burning oil and coal for transportation and electricity.

VOA: special.2009.12.26

They died because they did not know that burning wood products creates a deadly gas - carbon monoxide.

VOA: special.2010.02.02

Carbon monoxide gas is created by fuel burning devices because not all of the fuel is burned.

VOA: special.2010.02.02

Gas is a hydrocarbon, albeit the cleanest, so burning gas releases carbon dioxide into the atmosphere.

ECONOMIST: Energy policy: A better mix | The

Sempra contracted with Mexico's electricity monopoly to overhaul the plant to run on clean-burning gas delivered by a 23-mile pipeline it built from the border.

FORBES: Gas Guzzler

John McCain made an unusual campaign stop this week, at a rally for motorcycle enthusiasts whose roaring machines filled the air with the fumes of burning gas.

CNN: Gas prices could fuel candidates' hopes