Originally Posted by Astro14
My understanding is that only a certain percentage of a barrel of oil can be made into particular products. So, the market for each refined product, gasoline, diesel, Jet-A, lube oil, etc. is a market unto itself and there is disproportionately high demand for diesel, which is why it costs more than gasoline, even though the base product (crude) is the same and diesel requires less refining/processing.
I think a lot of gasoline is made by cracking heavier petroleum molecules ? If that is correct , then you may be only partially correct .
Petroleum refining has gotten pretty sysificated ( sp ) .