Plant-based biofuels are considered as fossil fuel alternatives but they may compete with land for food and offer little greenhouse gas reductions. New research suggests that the use of prairie grass, instead of food crops, with moderate fertilizers, gave better carbon storage and energy yield.

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Plant-based biofuels are considered as fossil fuel alternatives but they may compete with land for food and offer little greenhouse gas reductions. New research suggests that the use of prairie grass, instead of food crops, with moderate fertilizers, gave better carbon storage and energy yield.