In the beginning, Crude Oil can only be refined using a Basic Distiller.
After Advanced Diesel is resarched, Distillation (Stage I) [Stage II] can be built. This method of processing oil is entirely superior, producing more Diesel, using less energy, producing less overall pollution, and creating waste products that are easier to refine into useful substances through a Sour Water Stripper.
Below are all the recipes, which contain this item. Note, that some of them may be locked behind Research, and not immediately available in your game.