PHOENIX -- Gasoline prices around Arizona are slightly higher at the pump this week.
Officials with Triple-A Arizona said Thursday that the average statewide price for unleaded regular gasoline is $3.40 a gallon. That's up by a little more than a penny from last week.
This week's national average is at $3.56 per gallon, an increase of 3 cents from last week.
Triple-A officials said Arizona's average gasoline price is the lowest for March since 2010 and motorists were paying $3.66 a gallon at this time last year.
Tucson has the state's lowest average gasoline price at $3.31 a gallon and Flagstaff has the highest at $3.53.
Montana has the lowest average gas prices in the continental U.S. at $3.28 a gallon with California having the highest at $4 a gallon.
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