对公共交通系统和私人汽车进行更好的设计及更合理的使用，会在帮助美国交通获得更多可用能量上发挥重要作用。

Better design and wiser use of both mass transit systems and private vehicles will play an important part in helping America get more out of energy used for transportation.

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他说，更好的做法是提高能源利用效率，在特定汽车市场主要使用天然气而且合理进行风能和太阳能发电设施的持续建设。

It would be better, he argues, to improve energy efficiency, rely on natural gas in niche vehicle markets and balance continued construction of wind and solar power to produce electricity.

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我们甚至在一个试点项目中使用价格合理的中国汽车，创建了一支叫做“姐妹出租”(Sister Taxis)的出租车队，帮助失业女性重新就业。

We are even using these affordable Chinese cars in a pilot project to reinsert unemployed women into the workforce by creating a fleet of taxis called Sister taxis.

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