In message , at 18:19:20 on Sun,
26 Feb 2012, " remarked:
Indeed. I used a gas station in the bad part of town (here in UK) this
week, and I've never seen one with so many notices saying it was an
offence to drive off without paying (even then, they were using
post-payment).

Are there any places where you can, for example, just tank up and drive
off, and then later receive a bill in the post or have your bank
account linked to automatically take payment at the end of each month?

I've not seen one that's automated.

You would, naturally, need an account and would have to insert a card
into the pump for identification and to release the pump.

When such accounts were commonplace[1], it required going into the
office to sign a form.

[1] Various income taxation changes have made them much rarer.
--
Roland Perry