A combination of an oil surplus and a low-tax government brings the cost of gas down to mere cents per liter.
While countries like Canada and Norway have huge oil reserves, prices in those countries are still quite high as they're taxed.
The emergence of petrol states in the Middle East, Africa, and Latin America has seen nations make quick fortunes and bring down the cost at the pump.
Here are the 30 countries with the cheapest gas, according to GlobalPetrolPrices.com.