Gas prices hold at record levels
National average gas price holds steady at $4.108 a gallon. Alaska has the highest gas prices in the nation.
NEW YORK (CNNMoney.com) -- Gas prices were unchanged overnight, capping a run of eight straight days of record highs, a survey by auto club AAA showed Tuesday.
The national average price for a gallon of regular gas held steady at $4.108. That's an increase of 38.5% over the last year.
Alaska is the state with the highest gas prices. Drivers in the state pay an average of $4.634 for a gallon of gas.
The state with the second-highest gas prices is California, where a gallon of gas costs $4.559 on average, followed by Hawaii at $4.437.
South Carolina has the lowest gas prices in the nation. The average price for a gallon of gas in the state is $3.906.
The survey also showed that the average price for a gallon of diesel fuel rose six-tenths of a cent to $4.807. Diesel is now nearly 65% higher than a year ago. 
