Americans complain about the high cost of fuel, but compared to us Brits they're sitting pretty. On the right I've installed a new widget (found on Max Keiser's site) so you can check regularly and grind your teeth.
To convert from (US dollars per US gallon) to the current British equivalent (i.e. French Revolutionary decimal pence per French Revolutionary litre), simply divide by 6.
Or 6.058595, if you want to be more exact. Here's a sample based on the latest prices and exchange rates - Brits are paying almost exactly double: