Arizona's average gasoline price at $3.51 per gallon; Down by more than 2 cents from last week

Gasoline prices around Arizona are slightly lower at the pumps again this week.

Officials with AAA Arizona said Thursday that the average statewide price for unleaded regular gasoline is $3.51 a gallon. That's down by more than 2 cents from last week.

This week's national average is at $3.47 per gallon, down by more than 4 cents from last week.

Tucson has Arizona's lowest average gasoline price at $3.35 a gallon and Flagstaff has the highest at $3.77.

South Carolina has the lowest average gas prices among states in the continental U.S. at $3.20 a gallon with California having the highest at $3.93 a gallon.