Gasoline indirect cost calculated based on International Center for Technology Assessment (ICTA), The
Real Price of Gasoline, Report No. 3 (Washington, DC: 1998), p. 34, and updated using ICTA, Gasoline Cost Externalities Associated with
Global Climate Change: An Update to CTA's
Real Price of Gasoline Report (Washington, DC: September 2004), ICTA, Gasoline Cost Externalities: Security and Protection Services: An Update to CTA's
Real Price of Gasoline Report (Washington, DC: January 2005), Terry Tamminen, Lives Per Gallon: The True Cost of Our Oil Addiction (Washington, DC: Island Press, 2006), p. 60, and Bureau for Economic Analysis, «Table 3 — Price Indices for
Gross Domestic Product and
Gross Domestic Purchases,» GDP and Other Major Series, 1929 — 2007 (Washington, DC: August 2007); U.S. Department of Energy (DOE), Energy Information Administration (EIA), This Week in Petroleum (Washington, DC: various issues).