Gas prices have risen by nine cents over the past three weeks, according to the Lundberg Survey
A new survey says the average price of regular gasoline in the United States has jumped 5.31 cents per gallon in the last two weeks.
The Lundberg Survey of fuel prices released Sunday says the average national price of a gallon of regular is $3.18.
Analyst Trilby Lundberg found in the survey completed Friday that the average price for mid-grade is $3.32, and premium was at $3.43.
Diesel is up nine cents, to $3.59 a gallon.
Fresno had California's lowest gas prices at $3.42 for a regular gallon.