A 10-cent bump in Massachusetts gas prices in the past week helped set a new September price record, according to AAA Southern New England.
According to AAA, the average price of self-serve, regular unleaded gasoline in the state is $3.90 per gallon, up 17 cents in the past month. A year ago, the average was $3.62.
The current average in the Bay State is 4 cents above the national average and has a range of 32 cents, from a low of $3.77 to a high of $4.09.
The average price of diesel is $4.11, up from $4.07 a week ago.
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