Fossil fuel subsidies and taxes play big roles in countries' gasoline prices. The three cheapest average prices, as compiled by GlobalPetrolPrices.com, are shown here in U.S. dollars per gallon, along with other countries for comparison.
Bars show Iran paying the least for gasoline at 11 cents per gallon on average, while Denmark pays $8.10 per gallon. The U.S. is in the middle but on the cheaper side at $3.51.