Utah’s gasoline prices continued to increase over the last month and Utah’s average price is now the 12th highest in the country. That word comes from AAA Utah which reports that Utah’s average price is $2.70 right now for a gallon of regular, self-serve gasoline.This is nine cents higher than last month’s report but $1.15 lower than a year ago. The price of gasoline in Logan has increased by five percent over the last month to $2.62. The national average price is $2.58 a gallon.