Specializing in transportation, energy, and the environment, Deborah Gordon has worked to develop and advance innovative transportation strategies and technologies for over 25 years. In December 2008, she and co-author Daniel Sperling recently released Two Billion Cars: Driving Toward Sustainability, which provides a concise history of America's love affair with cars and an overview of the global oil and auto industries. On May 20, Gordon and Sperling spoke during a panel discussion at the World Bank's InfoShop book launch series.