I haven't seen different prices for cash vs credit. Perhaps it's illegal in NJ, as is self-serve?
I was in Brasil last week and the cost of gas - gasoline - there was about the same as it is here, in NJ. (at least that is what we determined, converting from BRL to USD, then from litre to gallon) Their cars are a LOT smaller than ours and many of them run on "alcool" (alcohol) or a gas/alcohol mixture. (according to our driver...)
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