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With rising fuel prices, more attention is turning to biofuels. But (the) use of food crops for biofuel raises the concern of food shortages. But one non-food biofuel source is gaining attention. Just inland from the southern Mozambique beach resort
发表于:2019-01-22 / 阅读(67) / 评论(0)
自然百科2008年
自然百科2008年