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.
该公司的无人驾驶汽车在美国已经成功地穿过了许多州，行驶了超过100万英里的路程，且目前为止只发生了一些小事故。
The company's self-driving cars have done well over a million miles across various states in the US, and until now have only reported minor accidents.
通用汽车不是目前唯一一家申请破产保护的美国汽车公司。
GM is not the only US car firm in bankruptcy protection right now.
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