http://money.cnn.com/2008/05/01/news/international/usgas_price?postversion=2008050109
From the page: “Relatively low taxes have kept pump prices far below most other developed nations, which some say is precisely why the current runup is so painful.”
US at $3.45 is #111 most expensive and the 45th cheapest. The UK at $8.38 is 6th most expensive.