The national average for regular unleaded as of Tuesday, Oct. 26, was $2.02 a gallon, up 47 cents from the national average the same day a year ago, according to the American Automobile Association.
Other highs and lows for Oct. 26:
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 more than 70,000 prices submitted by spotters nationwide, reports the highest and lowest prices in the country.
Autonews.com will update gasoline prices in the United States each week.