U. S. Agency for International Development (USAID)-funded study concluded that a new nuclear plant was Armenia's lowest-cost energy option.

一项美国国际开发署自主的研究表明，新的核电站是亚美尼亚成本最低的能源选择。

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Another option is to store the energy by transforming it into hydrogen fuel.

另一种选择是通过将其转化为氢燃料来储存能量。

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They projected costs and energy consumption two years out for each option.

他们推算出每个选项的成本和能源消耗为两年。

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Hundreds of electric utility companies are trying to burnish their green credentials by offering customers the option of supporting alternative energy.

VOA: standard.2010.03.23

"Wind is arguably the best alternative energy option right now in the United States, " says Culver.

FORBES: Mr. Culver Goes To Washington

Offshore Wind Farms are the future energy option to supplement conventional power.

FORBES: Offshore Wind Power: Penny Foolish, Dollar Wise

Light-emitting diode (LED) televisions present another energy-efficient option for larger screens.

FORBES: Ways To Slash Your Home Energy Bill