PROVIDENCE -- Gasoline prices in Rhode Island have fallen two more cents this week, AAA Northeast says.The average price for a gallon of regular unleaded gasoline is $2.409 at self-service pumps in the Ocean State, according to AAA's weekly survey. That's 11 cent less than it was a year ago.Rhode Island drivers are paying 16 cents more per gallon than the current national average of $2.249.