Biofuel production and the threat to South Africa's food security

Biofuels production is expanding rapidly all over the world. In the US President George W Bush used his 2007 State of the Union address to propose a mandatory target for the replacement of about a fifth of oil-based transport fuels by inclusion of 35 billion gallons of biofuels in the fuel sold by 2017. This is a sharp increase from the current production of 4.2 billion gallons by 97 ethanol refineries. 78 more refineries were under construction in the US in early 2007...
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