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Nature 444, 673-676 (7 December 2006) | doi:10.1038/444673a; Published online 6 December 2006

Open Innovation Challenges

US biofuels: A field in ferment

Katharine Sanderson1

  1. Katharine Sanderson writes on the physical sciences for Nature.

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To move US biofuels beyond subsidized corn will be a challenge, reports Katharine Sanderson.

Critics of the US ethanol industry have long derided it as an environmentally questionable subsidy to Mid-western farmers that simply serves a transparently political purpose. Voters in Iowa, the buckle in the US corn belt, get first say in the process of choosing presidential candidates.

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