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Biofuel Policies: The Underground Limitation on Biofuels

机译:生物燃料政策:生物燃料的地下限制

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摘要

U.S. energy policy has seen a dramatic shift toward renewable fuels within the last 10 years. While much research has been conducted in regards to U.S. biofuel policies, a significant arena of debate has been neglected. A key argument in favor of domestic biofuel production is that it is a renewable path towards energy independence. However the inputs used in the production of biofuel feedstock, primarily fertilizer nutrients, are anything but renewable. With simple calculations, this paper shows that the U.S.'s current biofuel policy is heavily dependent on non-renewable nutrient inputs. Thus, the question of how renewable the current plant-based biofuels are needs to be asked.
机译:在过去的10年中,美国的能源政策已发生了巨大的转变,转向了可再生燃料。尽管已对美国生物燃料政策进行了大量研究,但忽略了一个重要的辩论领域。支持国内生物燃料生产的一个关键论点是,这是通往能源独立的可再生途径。但是,用于生产生物燃料原料的投入(主要是肥料养分)只能再生。通过简单的计算,本文表明美国当前的生物燃料政策在很大程度上取决于不可再生的营养投入。因此,需要提出关于当前的基于植物的生物燃料如何可再生的问题。

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