A decade of prices at the pump (16 images)

Remember when gas prices moving over $2 a gallon looked disastrous? Then $3 seemed like the limit? Now with the national average cost of a gallon of gas at $3.99, let's take a look back at some golden days of gas prices.
Updated: May 6, 2011 at 3:21 PM
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A sign displaying gas prices covered in ice is seen at the National Harbor in Maryland on December 24, 2010. The national average price for a gallon of gas is above $3 for the first time since 2008 and is the highest ever for the holiday season. UPI/Kevin Dietsch
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