This year the share of the maize (corn) crop going into ethanol in America has risen and the European Union is implementing its own biofuels targets.
今年美国用在酿酒中的玉米的份额增加了，与此同时欧盟也在逐渐将它们的生物燃料计划付诸现实。
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This turns a significant share of the US maize crop into fuel for vehicles.
这使得美国的相当大一大部分的玉米转变成汽车燃料。
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Wheat is the world’s most widely planted crop and accounts for a fifth of humanity’s calorie intake (rice has a similar share; all other foods combined account for the rest).