[QUOTE=XYZ;435805]Very true. Might as well buy gas where it is cheapest. When you buy from an unbranded station, the gas your are buying is usually surplus gas from a branded shipment. You won't know what brand it is, but it doesn't matter.
The only time I ever noticed a difference in mileage was decades ago when Shell was advertising it's superiority with inclusion of an additive called "platformate".
[QUOTE=XYZ;435805]
Shell now promotes nitrogen blended gasoline ... shell and chevron are the higher priced gasoline. FYI just a side note following WW2(bandofbrother) Dupont came up with the idea of leaded gasoline and standard oil among others forced this on the American public. Once New York city and others during the following years realized that we had a public health issue from refine lead gasoline.Therefore you can no longer purchase the stuff.
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