I boycott Exxon / Mobile. I'd rather push my car to the nearest BP/Amaco or Shell than pay E/M. Their environmentally destructive history is unimaginable.

Also, they always have THE highest prices for gas everywhere I look. $0.10 to $0.25 cents more, always. An unreliable source said E/M tries to force the gas prices up using this method.

The E/M's near me (and there's at least two for each BP or Amaco or Shell) are always full of people willing to pay the higher price. Blows my mind. Maybe because they have those attached convenience stores. Sorry, I don't want to poison myself with Dunkin Doughnuts, coffee, and crappy food.