Gas prices continue slide on mainland

Gas prices in Massachusetts fell for the third straight week, according to the latest survey by AAA of Southern New England. AAA found the average price of a gallon of regular unleaded at $3.28, down three cents from a week ago, the State House News Service reported.

Last year at this time the average price was $2.97 per gallon. AAA officials again advised drivers to shop around, noting they found prices ranged from a low of $3.11 per gallon to a high of $3.55.

On Martha’s Vineyard the price of a gallon of gas was about $4.08.