State officials say they checked on more than 100 gas stations in the days leading up to the Memorial Day weekend to make sure all prices were being properly posted.
The price of a gallon of gas in Massachusetts has plummeted 9 cents in the past week.
The average cost of a gallon of gas in Massachusetts has fallen three cents in the past week.
With gas prices up more than 30 cents in a month in Massachusetts, $4 a gallon gas will be coming soon and it could get worse, according to an oil industry analyst.
The average price for a gallon of self-serve, regular unleaded is currently $3.72 in Massachusetts, up four cents from last week.
The cost of a gallon of gas in Massachusetts has leapt another nine cents in the past week, and has now risen a quarter in a month.
AAA Southern New England reported Monday that the average price of regular gas is now about $3.60 a gallon
New England could be the new California when it comes to gas prices, according to oil industry analyst John Kilduff.
AAA Southern New England says self-serve, regular dropped two cents to an average of $3.41 per gallon in the past week, after falling two cents the week before.
AAA Southern New England reports Monday that self-serve, regular dropped to an average of $3.43 per gallon in the past week.