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The role of driving in reducing greenhouse gas emissions and oil consumption / Allison Bishins, Nathan Sandwick, and Radha Neelakantan. Washington DC : World Resources Institute, July 2011, 45 p.http://www.wri.org/publication/role-of-driving-in-reducing-ghg-emissionsTransportation represented 71 percent of oil consumption and 31 percent  of carbon dioxide (CO2) emissions in the United States in 2008. Therefore, federal transportation policy presents an opportunity to reduce both oil consumption and greenhouse gas (GHG) emissions. This report explores whether technology improvements alone can achieve oil consumption and GHG emissions reduction targets consistent with recent draft legislation and international climate negotiations. The report finds that the United States must achieve significant improvements in vehicle technology and reduce vehicle miles traveled (VMT) per capita (compared to business as usual projections for 2050, which anticipate a 40 percent increase in VMT per capita over 2010 levels) to meet these targets. With improvements to vehicle technology and reductions in per capita VMT, the United States would not need to import any oil by 2030... (© WRI)