Massachusetts has a state law that punishes selling gasoline for less than what one paid, wholesale. Believe it was designed to discourage gasoline loss leader, low price selling which I believe is something that Wal-Mart does with a Murphy Gas situated in a Wal-Mart parking lot. No Murphy Gas in NH, afaik.
Ok...let the bricks be hurled...communist Massachusetts....live free or die New Hampshire....sorry - no gas for you

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