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I think they are using the receipt prompt to hide how long credit card authentication is taking. They can't easily cheat on prices as usually there are large s

I think they are using the receipt prompt to hide how long credit card authentication is taking. They can't easily cheat on prices as usually there are large signs displaying the current price. They can't easily be cheating on amount dispensed, as the pumps are regularly checked by the local Weights and Measures Department (doesn't rule out a VW like cheat though).

jellicle 9y ago
Yeah. Inspectors use a 5-gallon container to test gas pumps: https://www.youtube.com/watch?v=m9HG_3SIsEM https://www.youtube.com/watch?v=m9HG_3SIsEM So, your gas pump has to be accurate for the first five gallons, but then you can cheat as much as you want. The only saving grace is that the people who make the pumps and software wouldn't be the main benefiters from cheating at the pump. So probably we're actually okay for gas pumps. It's situations where the software creator also benefits from the sales using that software... But maybe I'm wrong. Maybe independent gas station operators are buying bootleg software ROMs to flash their pumps... "Boost revenue by 10% with this one easy trick" And, I see from another comment: http://articles.latimes.com/1998/oct/09/business/fi-30669 http://articles.latimes.com/1998/oct/09/business/fi-30669
- dwringer 9y ago
  As much as I am confident many pump operators out there would do anything to make a quick buck at the customer's expense, all it takes is one time metering more gas into your tank than what your tank is able to hold, after which you know they're lying and regulators will get involved. Even if not, word of that kind of thing spreads and it won't be long before that filling station's competition starts stealing its business through word-of-mouth.