This is misleading. From the graph it appears that there are wide swings (+/-100%) in the refining costs, while in reality the costs are pretty constant year to year.
I believe the refining part of the graphs includes the profits of the companies too, not just the costs.
Atthis t1_iv1egyq wrote
Reply to What factors contribute to gas prices? [OC] by USAFacts_Official
This is misleading. From the graph it appears that there are wide swings (+/-100%) in the refining costs, while in reality the costs are pretty constant year to year. I believe the refining part of the graphs includes the profits of the companies too, not just the costs.