Mass. gas prices fall 7 cents a gallon

The average price for gas in Massachusetts is $3.839 a gallon in the latest weekly survey from AAA, 7 cents lower than the previous week’s average, AAA Southern New England said Monday.

It’s the first drop in prices since July, AAA Southern New England said.

The current national average is $3.80 a gallon. A year ago at this time, the Massachusetts average price was $3.55, AAA Southern New England said.

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

A recent Globe story quoted Chris G. Christopher Jr., an economist at the Lexington forecasting firm IHS Global Insight. According to Christopher, consumers should get a reprieve as people reduce travel now that summer is over and fuel suppliers switch to a cheaper winter blend, causing fuel prices to drop off.