A national survey says the average price for regular gasoline rose about 17 cents in the last two weeks.
The average price of self-serve regular gasoline on Friday was $3.79 a gallon. Mid-grade was at $3.91, and premium was $4.02. That's according to the Lundberg Survey of 7,000 stations nationwide released Sunday.
For the first time, the survey found average prices for regular gas surged above $4 a gallon in two metropolitan areas: Chicago and on Long Island in New York.
Of the cities surveyed, the cheapest price was in Tucson, Ariz., where a gallon of regular cost $3.48 on average.
The highest average price was in Chicago, at $4.07.