The BBC has put together a wonderful calculator that allows you to compare the cost of fuel in your country to others around the world. A spectacularly wonderful tool for trying to figure out your fuel cost while on a round-the-world adventure. Here's a few hints—avoid fueling up in the Netherlands, and stockpile if you decide to drive through Venezuela where gas is roughly $0.10 a gallon. It's worth taking note that of the countries listed, the United States is second cheapest to Venezuela.
What does fuel cost where you live?