The national average for regular unleaded as of Wednesday, June 9, was $2.02 a gallon, up 53 cents from the national average the same day a year ago, according to the American Automobile Association. Gasoline prices have dropped at the pump by 2 cents since Friday.
Other highs and lows:
The averages are provided by , of Heathrow, Fla., which monitors credit card transactions at 60,000 self-serve gasoline stations nationwide. The automobile club posts them on its Web site, .
of Dayton, Ohio, which gathers prices submitted by more than 90,000 spotters nationwide, reports the highest and lowest prices in the country.
Autonews.com will update gasoline prices in the United States twice each week throughout the summer.