01/12/2004 · Nelson Silveira of Brasil Ecodiesel agreed. "If the fuel mixture becomes mandatory immediately, soy oil will become the main source," he said. Factoring in jobs The problem with using soy oil, is that the number of jobs produced from soy cultivation is significantly lower that the number of jobs produced by castor bean production. Paraíba, a small poor northeastern state, has one of the ...
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