The developing course of biodesulfurization of crudes and their preducts were introduced together with the mechanism of biodesulfurization. Biodesuifurization is expected to be conunercialized in the early 21st century. First,it will be integrated with the existing hydrodesulfurization process to realize superiority complementation of these two processes for the production of various low sulfur products, especially of low sulfur gasoline and low sulfur diesel to meet the increasingly strict environmental re...