The old continent has nearly as much technically recoverable shale gas (natural gas trapped in shale formations) as America.

欧洲大陆通过技术再生的页岩气(页岩形成中获取的天然气)几乎和美国一样多。

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And because it is the main ingredient in natural gas, it leaks from many older natural-gas pipelines.

而且因为甲烷是天然气的主要成分，它通过许多老式的天然气管道泄露。

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Most use natural gas; the latest gas generators can power up or down in five minutes.

大部分公司选择了天然气，最新型的燃气发生器可以在短短五分钟内启动和关闭。

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Natural gas stoves or gas water heaters are usually connected to a device that safely expels the gas from the home.

VOA: special.2010.02.02

and getting rid of natural gas plants, for instance,

同时关闭天然气工厂等等，

全球变暖与国力 - SpeakingMax英语口语达人

Natural gas is considered the cleanest of the fossil fuels, the fuels created by plant and animal remains over millions of years.

VOA: special.2009.10.23

Although the U.S. has loads of natural gas, adoption of natural gas vehicles has been spotty.

WSJ: Will Truckers Ditch Diesel for Natural Gas?

This renewable natural gas, essentially purified methane, is virtually identical to natural gas, but without the fracking.

FORBES: Biogas and the Shale Gas Bonanza

For example, in 2010, natural gas-rich U.S. imported around 20 percent max of its natural gas needs.

FORBES: So Long Middle Eastern Oil, Hello American