Source: University of Illinois

A new study from the University of Illinois finds that growing biofuel crops on marginal cropland could produce enough fuel to meet half of the world's current fuel consumption without an impact to food, crops or pastureland.

Associate Professor Ximing Cai and his team assessed globally available land for growing biofuel crops on marginal land, which is land with low inherent productivity or is of too low quality for agricultural uses. The study did not include any current cropland, pastureland or forests in the assessment of land availability and assumed crops would be rain-fed and not irrigated. The study estimated 2.7 million acres of land are available globally. 

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