与目前的汽车汽油相比，玉米乙醇最具吸引力的一个方面是它很环保。

One of the most attractive aspects of corn ethanol is how environmentally friendly it is when compared to current automobile gasoline.

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和美国的铁路拥护者一样，中国铁道部也认为，与汽车或飞机相比，铁路是一种更环保、更节能的运输方式。

Like railway advocates in the USA, the ministry touts rail as a greener, more energy-efficient form of transportation than driving or flying.

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英国目前在高性能工程与汽车相关的环保技术方面处于领先地位…而长桥(Longbridge)可以说是汽车制造的中心。

Britain now excels in performance engineering and in automotive-related environmental technologies... [and] Longbridge can be a centre for that.

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