Currently the average cost per gallon in Suffolk County is $5.11 and just over $5 in Essex, Middlesex and Norfolk Counties, the agency reports.
Meanwhile, the average price at the pump in Worcester, Franklin, Hampshire, Hampden and Berkshire Counties sits at just under the historic landmark.
Last week the average price for gas in the Commonwealth was $4.73 and $4.34 a month ago, according to AAA. The national average cost for gas now sits at $4.91, AAA reports.
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