The cost of refining also depends on type of the crude oil that you are feeding into the refinery. The lighter the crude oil grade, the lower your cost/revenue ratio, which means you will have higher margins. read more
The oil companies, however, express much grief that they are actually losing their Cost To Refine Oilprofit-margin because as crude oil prices continue to rise over $100 per barrel, they are finding it increasingly difficult to pass any substantial portion of their added costs onto the consumer. read more