the global average is $ 5 52 per gallon of gas norway is the distant outlier for countries with the most expensive price per gallon of gas $ 10 76 per gallon $ 1 60 more than the next most expensive country the netherlands where gas is $ 9 16 per gallonorway is the distant outlier for countries with the most expensive price per gallon of gas $ 10 76 per gallon $ 1 60 more than the next most expensive country the netherlands where gas is $ 9 16 per gallon