Gas prices hold in record territory
National average gas price remains at $4.108 a gallon. Alaska has the highest prices while South Carolina has the lowest.
NEW YORK (CNNMoney.com) -- Gas prices held steady overnight in record territory, a daily survey by auto club AAA showed Wednesday.
The national average price for a gallon of regular gas remained unchanged at an all-time high of $4.108.
Retail gas prices have risen 38.5% over the last 12 months.
Alaska has the highest gas prices in the nation. Drivers in the state pay an average of $4.615 a gallon. Californians pay an average of $4.552 for a gallon of gas and Hawaiians pay $4.456.
The state with the lowest gas prices is South Carolina, where a gallon of gas averages $3.930.
Diesel prices rose overnight. The national average price for a gallon of diesel fuel increased six-tenths of a cent to an all-time high of $4.813, according to the AAA survey.
The price of diesel, which is used to transport finished goods and raw materials around the world, has increased nearly 65% since last year. 
