PROVIDENCE, R.I. — Gasoline prices in Rhode Island increased 3 cents this week, AAA Northeast says.The average price of regular unleaded gasoline is $2.639 per gallon, according to AAA Northeast's weekly survey.Rhode Island drivers are paying 3 cents less than the national average of $2.669.A year ago, Rhode Island drivers were paying 37 cents less, $2.269 per gallon.“In spite of a drop in crude oil prices last week, generally higher crude oil prices, [...]