CONCORD, N.H. — Gas prices haven’t moved much in northern New England over the last week.

GasBuddy shows that the average retail price went up 1.1 cents per gallon in Maine, averaging $2.28. They went up a half-cent in New Hampshire to $2.18 and stayed flat in Vermont at $2.29.

The national average of $2.21 has risen a half-cent a gallon in the last week. It stands 1.1 cents per gallon lower than a year ago.