Biodiesel Technology Biology derv net on November 17 dispatch: A few days ago, the report of a research of French technology academy expresses, coal distance commercializes biology boat to still have very Sunday run, main obstacle is remained and fuel photograph compares fossil not to have competition ability. This report still expresses, it is raw material with vegetable oil, the ester after hydrogenation is handled and fatty acid (HEFA) it is the technical alternative with exclusive and likely near future, also be exclusive economically feasible choice.