The impact of falling oil prices continues to be seen at the pumps, as gasoline prices in Massachusetts have dropped an average of ten cents per gallon in just the past week, according to AAA Southern New England.

AAA’s December 15th survey of prices in Massachusetts found self-serve, regular unleaded averaging $2.68 per gallon, down ten cents from last week. Prices locally are 25 cents lower than a month ago. The current price is 13 cents more than the national average for self serve unleaded of $2.55. A year ago at this time the Massachusetts average price was 75 cents higher at $3.43.

The range in prices in the latest AAA survey for unleaded regular is 61 cents, from a low of $2.48 to a high of $3.09. AAA advises motorists to shop around for the best prices in their area, and to make sure they and their passengers buckle up ‘ every trip, every time.

Today’s local gas prices (Self Serve) and their ranges are as follows:

$2.689 ($2.489-$3.099) Regular Unleaded

$2.959 ($2.599-$3.399) Midgrade Unleaded

$3.099 ($2.699-$3.669) Premium Unleaded

$3.379 ($3.199-$3.699) Diesel

AAA Southern New England is a not-for-profit auto club with 51 offices in Rhode Island, Massachusetts, Connecticut and New Jersey providing more than 3.5 million local AAA members with travel, insurance, finance, and auto-related services.