They usually shut down the refineries around this time to clean the tanks and do maintenance as they prepare to switch over to the normal gas. So the supply shrinks which runs up prices and with oil going up and lots of speculation, it's like the perfect storm to create an artificial spike in prices. But it will probably take a month to use up the supply of winter gas.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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