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2009 Global Human-Activity Energy Flows Transportation the only major industry dependent on only 1 energy supply chain Electricity serves as unifying energy carrier for diverse energy resources Estimation of Petroleum Supply in the US Advanced propulsion technology strategy Improved Vehicle Fuel Economy and Emissions Displace Petroleum Effect on CO2 Emissions Reduction through Sales of 1.5 Million HEVs CO2 emissions volume from conventional gasoline-powered vehicles of equivalent size and performance CO2 emissions volume from HVs Cumulative HEV sales(Toyota estimates)CO2 emissions reduction of approximately 7 million tons.