Gas hits national average of $4 for first time

U.S. gasoline prices shot above $4 a gallon for the first time Sunday, and drivers will be shelling out even more for gas this week, USA Today reports. The national average price of a gas hit $4.005 Sunday, up from $3.988 Saturday, and $3.105 a year ago, according to the American Automobile Association. But that's just the average. Drivers in California are paying an average $4.44 a gallon, says AAA. In Visalia, Calif., a gallon of regular unleaded averaged $4.50. Missouri had the lowest average price, at $3.80. A gallon of diesel averaged $4.762, vs. $2.902 a year ago. Premium gas averaged $4.80, vs. $3.605 last year.