A commercial production of synthetic fuel from bio-diesel by products system for efficiently producing synthetic fuels and other usable by-products. The composition includes providing glycerol, providing a first fermentation tank including a glycerol kinase substance, supplying the glycerol to the first fermentation tank, producing a phosphoenolpyruvate compound within the first fermentation tank, providing a second fermentation tank including a glycerol dehydrogenase substance, supplying the phosphoenolpyruvate compound to the second fermentation tank, producing a pyruvate compound within the second fermentation tank, providing a third fermentation tank including a pyruvate decarboxylase substance, supplying the pyruvate compound to the third fermentation tank, producing an acetaldehyde compound within the third fermentation tank, providing a fourth fermentation tank including an alcohol dehydrogenase substance, supplying the acetaldehyde compound to the fourth fermentation tank, producing ethanol within the fourth fermentation tank and collecting the ethanol produced by the fourth fermentation tank.