Lazear, Edward P. and Council of Economic Advisers (U.S.). "A Review of the Administration's Energy Proposals for the Transportation Sector : Testimony before a Hearing of the Subcommittee on Energy and Air Quality of the Committee on Energy and Commerce" in Statements and Speeches of Edward P. Lazear (February 28, 2007). https://fraser.stlouisfed.org/title/9339/item/684604, accessed on June 11, 2025.