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by SAI_Peregrinus
845 days ago
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They're usually card-based. You insert (or in past decades swipe) your card, a hold gets put on your account, you pump the gas, and the measured amount gets removed from your account & the hold removed. If you don't have enough in your account for the hold, the transaction declines. It's effectively pre-pay, even though the transaction settlement doesn't happen until after the gas is pumped. |
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