Arizona motorists are paying less at the pump again this week.

Officials with Triple-A Arizona said Thursday that the average statewide price for unleaded regular gasoline is $3.68 a gallon. That’s down by nearly 2 cents from last week.

This week’s national average is $3.78 per gallon, a decrease of almost one penny from last week.

Tucson has the lowest average gasoline price in Arizona at $3.52 a gallon while Flagstaff has the highest at $3.88.

South Carolina has the lowest average gas prices in the continental U.S. at $3.49 a gallon with California having the highest at $4.31 a gallon.