Gas prices in Rhode Island are down two cents this week.
AAA Northeast found in its weekly survey Monday that the average price of a gallon of self-serve, regular has dropped to an average $2.31.
Rhode Island's price is five cents lower than the national average of $2.36.
The in-state price at this time last year was 42 cents higher, at an average $2.73 per gallon.
AAA found self-serve, regular selling for as low as $2.22 and as high as $2.55.