First, I believe this might be the greatest gaffe* of the 21st century:
Second, for everyone whinging on about paying $5 per gallon of gas, why not take this opportunity to finally switch to the metric system? Then you'd only be paying $1.29 per liter** of gas!
* And I do mean "gaffe" in the sense that it's an absolutely true statement made absolutely unintentionally.
** Of course, they're used to this way of pricing petrol in London, where they're today whinging on about 159p per liter ($8 per gallon).