Gas prices jump nearly 4 cents in two weeks.
A new survey finds the average price of regular gasoline in the United States has jumped 3.92 cents in the last two weeks.
The Lundberg Survey of fuel prices released Sunday says the price of a gallon of regular is $2.91.
Analyst Trilby Lundberg says the average price for a gallon of mid-grade was $3.05, and premium was at $3.16.
Denver had the lowest average price among cities surveyed at $2.61 a gallon for regular. Long Island, NY, was highest among surveyed areas at $3.21.
Diesel was at $3.23, up about a half cent.
In California, the average price for a gallon of regular was $3.14, up about a penny.