PROVIDENCE, R.I. (AP) _ Gasoline prices in Rhode Island have fallen three cents ahead of the Labor Day weekend.
       AAA Southern New England's survey released Monday found the average cost of a gallon of self-serve, regular is $3.72, down from $3.75 last week.
       Prices in Rhode Island are down eight cents from a month ago. Still, the current price is 18 cents higher than the per-gallon national average of $3.54.
       A year ago at this time Rhode Islanders were paying an average of $3.85 a gallon.

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