A decade of prices at the pump (16 images)

Angry drivers call for President Bush to do something about rising gas prices during a rally in front of the White House in Washington on June 30, 2006. (UPI Photo/Roger L. Wollenberg)

Angry drivers call for President Bush to do something about rising gas prices during a rally in front of the White House in Washington on June 30, 2006. (UPI Photo/Eduardo Sverdlin)

Rep. Ed Markey (D-MA) (R) chairs a House Independence and Global Warming Committee hearing, as an aid holds a chart illustrating the cost of a barrel of oil over the last 7 years, on Capitol Hill in Washington on April 1, 2008. The hearing focused on the current state of oil and gas prices, oil company profits, and the need for clean, renewable fuels to ease demand for oil and cut global warming pollution. (UPI Photo/Alexis C. Glenn)

WAP2001051510 - 15 MAY 2001 - WASHINGTON, DC, USA: Representative Richard Gephardt (D-MO) speaks out against Republican short term plans to curb the current energy crisis at a Exxon service station on May 15, 2001 on Capitol Hill, Washington, DC. mk/Michael Kleinfeld UPI