Item: How low can they go? Cd'A gas price average drops 22 cents in past week, but expiring tax credit may slow trend/Brian Walker, Coeur d'Alene Press

More Info: Coeur d'Alene's 22-cent drop in the average price in just the past week to $3.08 per gallon on Thursday is "very unusual," especially in the middle of the holidays, said Dave Carlson, AAA Idaho spokesman. "The rapid price drop for Coeur d'Alene appears to be a local phenomenon," Carlson said, adding that declines haven't been as significant in other areas, including Post Falls, where the average was $3.19. "Some magnanimous retailers shared some holiday spirit in a tangible way.

DFO: I bought gas in Coeur d'Alene for $2.99 earlier this week. In August, I bought gas near the western entrance of Yosemite State Park in California for more than $5 per gallon.

Question: What's the most expensive gasoline that you bought in 2011?