第二代生物燃料原料改成采用生物量或者从草中提炼的纤维材料、玉米穗轴和干草、树木或者废弃物来提炼乙醇。

The second generation of biofuels converts biomass or cellulosic material from grass, corn cobs and stover, trees or waste into ethanol.

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虽然一些生物燃料原料(如糖)的使用可以明显降低温室气体的排放，但对于许多其他原料而言，情况并非如此。

While some biofuel feedstocks, such as sugar, can generate significantly lower greenhouse gas emissions, this is not the case for many other feedstocks.

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对于特别是贫穷的小农而言，如果能够得到支持来扩大其生产并获得进入市场的机会，那么生物燃料原料的生产便可创造收入和就业。

Production of biofuel feedstocks may create income and employment, if particularly poor small farmers receive support to expand their production and gain access to markets.

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