The new age of machinery, in short, could not have been born without a new source of both movable and constant power.

总之，如果没有一种新的可持续提供动力并且可移动的能源，就没有新机械化时代的产生。

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Now a new design of battery, which USES oxygen from ambient air to power devices, could provide even an smaller and lighter source of power.

如今，一种以使用周围空气中的氧气作为动力的新电池设计能够作为更加小巧，轻便的电力来源。

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We would need new long-distance power transmission but the technology for providing this is advancing fast, and the countries of North Africa would get a valuable new source of income.

我们的确可能需要新的长途输电技术，不过相关技术现正长足发展中，而且，这技术将为北非国家带来一项宝贵的新收入来源。

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Using non-performing rubber trees as a source of power also helps rejuvenate rubber production by making room for new planting.

VOA: standard.2009.09.13

But if it can be cost-effectively achieved and subsequently replicated, the projects would provide a refreshing new source of power to residents along the East Coast, and elsewhere.

FORBES: Offshore Wind Projects Could Provide Refreshing Energy Source

The makers say the new bus offers a "sustainable, safe and clean power source", ideally suited for a densely populated city.

BBC: RELATED BBC SITES

As more governments look to civilian nuclear power as a source of clean electricity, tighter controls and other new schemes are needed to help stop would-be cheats or terrorists from exploiting or stealing some of the proliferation-prone technologies and materials for bomb-building.

ECONOMIST: Getting to zero