Gasoline prices in Rhode Island fell by 2 cents over the last week, according to AAA Northeast's weekly survey.AAA says that self-serve, regular unleaded gasoline is averaging $2.59 per gallon, 6 cents above the national average of $2.59. A year ago at this time, the average price in Rhode Island was 35 cents lower, at $2.24 per gallon.“Prices were dropping daily last week, and the downturn looks to be as a result of quicker refinery maintenance turnarounds and a build [...]