Gasbuddy.com, which surveyed 1,228 gas stations in the state, says the average retail gasoline price in Maine is $2.27 a gallon.

The national average remained the same as last week, at $2.29 a gallon.

The price in Maine was about $1.17 less per gallon than a year ago, and 15.7 cents per gallon lower than a month ago. The national average decreased 22.1 cents per gallon during the last month and is about $1.05 lower than a year ago.