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Nature 446, 483 (29 March 2007) | doi:10.1038/446483a; Published online 28 March 2007
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Biofuels bandwagon hits a rut
Abstract
As politicians propose higher biofuel targets, soaring maize prices in the United States are putting new investment in ethanol production on hold. Lucy Odling-Smee reports.
The scramble by investors in the United States to get into biofuels has caused a surge in production of the nation's main biofuel — corn-based ethanol — and pushed up the price of corn (maize). Theoretical concerns about competing demands for fuel and food are now economic reality.
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