Gas prices in Hawaii increased throughout the state for the fourth straight week, according to the AAA Hawaii Weekend Gas Watch.
The Hawaii state average price jumped to $4.35, an increase of four cents from last week, 22 cents higher than last month and 24 cents higher than a year ago.
Honolulu's average price climbed to $4.31 a gallon for regular unleaded – a nickel more than last week, 23 cents more than last month and 31 cents higher than a year ago at this time.
In Hilo, the average gas price is $4.32 a gallon, up three cents from last week, 20 cents more than last month and 10 cents more than this time last year. Wailuku's average is $4.36 a gallon, two cents more than last week, 19 cents more than last month and a penny higher than last year.
"Fuel economy may be increased by up to 3.3 percent by keeping your tires inflated to the proper pressure," said AAA Hawaii Regional Manager Diane Peterson. "Under-inflated tires can lower gas mileage by 0.3 percent for every 1 psi drop in pressure of all four tires. Properly inflated tires are safer and last longer."