Gas prices are on the rise in the nation over the past 2 weeks.
According to a recent survey regular-grade gas went up by six cents per gallon, to $2.50.
It is still lower by 9 cents per gallon when compared to last year at this time.
The highest average price in the nation is at $3.39 per gallon in the San Francisco Bay Area.
The lowest average is at $2.13 in St. Louis.
The average price of diesel is up 3 cents over the past 2 weeks to $3.05 per gallon.