Gas hits another all-time high
National average climbs to $4.087 a gallon. Alaska has the highest gas prices in the nation while drivers in South Carolina pay the least.
NEW YORK (CNNMoney.com) -- Retail gas prices have risen to a new record high while diesel prices have held steady, according to a daily survey by AAA Tuesday.
The national average price for a gallon of regular gas rose overnight to an all-time high of $4.087, topping the previous record high of $4.086 set Monday.
Gas prices are now 2.8% higher than they were last month and 38% higher than year-ago levels.
Alaska has the highest gas prices in the nation. On average, Alaskans pay $4.639 for a gallon of gas. California has the second highest average gas price at $4.579, followed by Hawaii at $4.429.
The state with the lowest gas prices is South Carolina, where drivers pay an average of $3.870 for a gallon.
The survey also showed that the national average price for a gallon of diesel fuel remained at $4.762, unchanged from the day before. That's more than three cents below the all-time high of $4.797 set last month.
Diesel prices are still more than 60% higher than they were last year. 
-
The day after Thanksgiving is a great day for car shopping. 7 deals not to miss. More -
Luxury clothier sells suits to Warren Buffett and Chinese president Hu Jintao. Play -
Chris Pia, a master trader and Moore Capital alumnus, explains the market. More -
Pam Koner helped strangers through the recession. How are they faring? More -
Cloud whitening and space Frisbees could slow global warming. What'll work? More -
5 metro areas where a family can afford a home -- and the 5 where they can't. More
