Recent highs in the price of gasoline, adjusted for inflation. Prices are the nationwide average for a gallon of unleaded regular:

_ Current average (March 27, 2012): $3.90;

_ Last year's high (May 5, 2011): $4.03;

_ All-time high (July 17, 2008): $4.35.

Source: Auto club AAA, Wright Express and Oil Price Information Service.