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That said though:
Biofuels require increasing the production of food on a worldwide scale. The thing is, that this means changing politics and cultural norms when it comes to dealing with the third world - particularly Africa.
There needs to be a stop to the indulgent concept of missionaries teaching Africans about subsistance farming. Subsistance farms aren't very effecient as a means of producing food at the best of times, and they guarantee famines when times are not at their best.
Further, the mechanism which allowed Africa to become so heavily indebted as its leaders invested the loaned money in things like guns, death camps and the latest Mercedes Benz, needs to be looked into.