Gas prices are highest in Los Angeles at $4.35 a gallon and lowest in Denver at $3.36. Survey finds that average premium gas prices are at $4.07.
The average U.S. price of a gallon of gasoline has jumped 12 cents over the past two weeks.
That's according to the Lundberg Survey of fuel prices, released Sunday, which puts the price of a gallon of regular at $3.81.
Midgrade costs an average of $3.96 a gallon, and premium is at $4.07.