R.I., Mass. gas prices dip but still above national average

PROVIDENCE – The average weekly price of self-serve, regular unleaded gasoline in Rhode Island decreased 3 cents to $2.97 per gallon. That price is 2 cents higher than the national average and 1 cent higher than a year ago, AAA Northeast said Monday.  Gasoline prices across the Northeast are falling as the winter trend of less demand and more supply comes into focus,