It would cause a lot if online conspiracy theories and moderate outrage if anyone did find out.
> Not to mention that virtually every gas station I've seen in my life has the price prominently posted on a large display.
If everyone can see the prices of the closest stations on their dash, those displays might vanish because "no-one uses them anyway".
> We won't even go into the over-the-top "charging $5.00/gallon more" scenario. Any station that tried that would be out of business within days.
Like Uber is out of business becauase of surge pricing?
If only one small station is doing it, they might get repercussions. If many stations (or large chains) do it, it might become normalized.