How much are you paying for gas? Depends on where in the world you're parked. In oil-producing nations like Venezuela and Iran, you can fill up for as little as 17 cents a gallon. But in tax-happy Germany and South Korea, you'll pay more than six bucks. So even when prices hit near-record levels in the US, American drivers get off cheap compared with European motorists. This summer's bargain road trip: a tour of the Zagros Mountains, from Tehran to Abadan!

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Drill down: Where to fill up your SUV — or take the bus Tehran, Iran: $0.33/gallon Despite massive oil reserves, limited refinery capacity forces Iran to import much of its gasoline. Still, government subsidies keep it cheap. Lagos, Nigeria: $1.92/gallon In a country where the per capita daily income is $3.84, $2-a-gallon gasoline is no bargain, leading thieves to tap oil pipelines in the delta. Beijing, China: $2.44/gallon An economic boom — coupled with the middle class's growing appetite for vehicles with four wheels — is likely to drive gas prices higher. Oslo, Norway: $6.48/gallon Norway is the world's third-largest oil exporter, but hefty taxes aimed at reducing CO 2 emissions mean high prices for petrol.

Infographic by 212box Sources: Airinc, Energy Information Administration