The average price of gas in Massachusetts falls below $3 for first time in 4 years

The average cost of a gallon of gas in Massachusetts has fallen below the $3 threshold for the first time in almost four years.

AAA Southern New England reports Monday that the price of a gallon of self-serve, regular fell 8 cents in the past week to an average of $2.96.

The last time gas was lower than $3 was in December 2010.

The current per-gallon average price in Massachusetts is now 30 cents lower than a month ago and 32 cents lower than at this time last year. It remains 3 cents per gallon higher than the national average.

AAA found self-serve, regular selling for as low as $2.75 per gallon and as high as $3.43.