The national average price for gasoline dropped about 2.9 cents over the last two weeks, according to a survey released Sunday.
The average price of regular gasoline on Friday was about $2.75 a gallon, mid-grade was $2.88, and premium was $2.99, oil industry analyst Trilby Lundberg said.
The nation's lowest average price was in Phoenix, where a gallon of regular cost $2.51. The highest was in Honolulu at $3.12, according to the Lundberg Survey of 7,000 stations nationwide.
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