The structure of the molecule of methane hydrate is such that it facilitates the capturing of a large amount of gas.

甲烷水合物的分子结构是这样的，即它促进了大量气体的捕获。

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Considering the gas as energy, it should be high efficiency and low pollution, whose large amount of discharging into air would be a big waste of energy.

如果将瓦斯作为能源对待，它应该属于高效、低污染能源，假如大量排入大气，是一次能源的巨大浪费。

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Especially during the rush hours, too many private vehicles move slowly on narrow roads, emitting a large amount of waste gas.

特别是在交通高峰期里，有太多的私家车在狭窄的道路上慢慢的移动，释放出大量污染气体。

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The oil and gas law, West said, is intended to ensure extraction of the maximum amount of oil and gas from a large area, protect the mineral rights of multiple landowners, and prevent waste of the resource.

WSJ: NY appeals court to consider local fracking bans

To date no technology has been able to accurately measure and quantify the amount of methane emitted from fracking sites and other natural gas fields over a large scale.

FORBES: The New Tech that Aims to Make Methane Leaks a Thing of the Past