PHOENIX -- Gasoline prices around Arizona are slightly lower at the pumps again this week.
Officials with Triple-A Arizona said Thursday that the average statewide price for unleaded regular gasoline is $3.45 a gallon. That's down by nearly 3 cents from last week.
This week's national average is at $3.43 per gallon, a drop of almost 4 cents from last week.
Tucson has Arizona's lowest average gasoline price at $3.31 a gallon and Flagstaff has the highest at $3.70.
South Carolina has the lowest average gas prices among states in the continental U.S. at $3.14 a gallon with Oregon having the highest at $3.89 a gallon.