Local gas prices drop a penny a gallon, AAA Southern New England says

The average price for gas in Massachusetts was $3.51 a gallon in the latest weekly AAA survey, down 1 cent from the previous week’s average, AAA Southern New England said Monday.

The Massachusetts average is 7 cents higher than it was a month ago.

The current national average for gas is $3.52 a gallon. A year ago at this time, the Massachusetts average price was 14 cents higher at $3.65 a gallon.

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In the current weekly Massachusetts survey, prices had a range of 34 cents, from a low of $3.35 to a high of $3.69.

AAA’s weekly surveys focus on self-serve, regular unleaded gas.