jatropha It is not a food source, grows in wasteland and arid conditions, takes little water, can be cold pressed. So far I have heard of three promising horses: cellulistic ethanol- makes ethanol algea - makes biodiesel jatropha - makes biodiesel Any thoughts as to which will be the winner or do you know of another horse? http://en.wikipedia.org/wiki/Jatropha_curcas http://en.wikipedia.org/wiki/Jatropha http://www.csmonitor.com/2007/0508/p01s03-wosc.html