The plant it is made from as far as I can tell is grown in dry places and requires little water or nutrients. It also grows quickly. Since most biofuels require the use of plants usually grown for food I thought this was one of the better alternatives. The plant yields more than four times as much fuel per hectare as soybean, and more than ten times that of corn. A hectare of jatropha produces 1,892 liters of fuel. The Southwest is getting drier and we can't plant anything else there so what about jatropha. Africa is another place to grow it along with Australia, Mexico, and the Middle East.
http://www.timesonline.co.uk/tol/news/world/article2155351.ece
http://en.wikipedia.org/wiki/Jatropha_oil
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