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利用植物生产燃料一般被看成是一条减轻美国对进口石油依赖的环境友好途径,但是美国陪审团迟迟未能确定这些所谓的生物燃料到底有多“绿”。
The use of plant-produced fuel is generally seen as an environmentally friendly way of alleviating the United States’ dependence on imported oil, but the U.S. jury has been slow to determine how “green” these so-called biofuels are.