huge rusty storage tanks full of petroleum products in tank farm in cushing oklahoma where most oil in usa is stored and traded

angle blue brent cloud clouds contract crossroads crude cushing demand energy exchange exterior facility farm fence fuel futures gasoline hub independence industrial industry intermediate inventories low mercantile metal negative new nymex oil oklahoma opec outdoor petrochemical petroleum pipeline price processing refinery refining reserve reservoir sector settlement shale sky storage strategic summer tank terminal texas trading war west wti york