Average retail U.S. gasoline prices rose 3 cents to $2.39 a gallon on Friday, ahead of the 2009 Memorial Day weekend, according to the AAA Daily Fuel Gauge Report. A day ago, gasoline sold for $2.36 a gallon. A week ago, gas cost $2.29 a gallon. A month ago, it sold for $2.06 a gallon. Gas prices have been moving up with oil futures, which broke through the $60-a-barrel mark this week and held the level.

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