??
so when it was $4.39 on highway 5 in California 2 months ago what was happening then?
Regional factors come into play.
-Distance from refineries.
-All manner of taxes.
-Location of the actual gas station.
-Which blend is being used.
-I've read that much of the oil/gas that gets sent to Cali via various pipelines is shipped off to Japan and Asia pacific. I'll try and dig that up.
-Other things...
Some of those are "tack on" things and others have a bigger impact like taxes and such. But the major reason is supply/demand/geopolitics/
production policy.
As for the grand oil game, it comes down, in large part, to the final flow rates. Meaning, you can have an "reserve" which is oil that is accessible, of 100 trillion barrels but it is meaningless if you can only pump out 5 mbpd.