New technology to capture gas from coalfields has recently boosted supplies, which could help keep prices down.

从油田中攫取天然气的新技术也在最近帮助提升了供应量，从而有助于保持价格低位。

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Returnable bottles help keep prices down so the company can reach more of what it calls "economically diverse" customers.

可退的瓶子使价格保持在低水平，公司能抓住更多的所谓的节约的各式各样的顾客。

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For net food importers, who can keep prices down without shortages only by offering subsides, the risks are much more serious.

对于只能通过补贴来维持低价和避免短缺的食品进口国来说，风险还大得多。

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Asked what he would do to keep prices down this winter, Bush said: encourage more exploration.

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New technology to capture gas from coalfields has recently boosted supplies, which could help keep prices down.

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Producing our own energy, Mr Davey said, would help to keep prices down.

BBC: Energy bill to boost cleaner energy production