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Carmakers are looking to alternative fuels such as ethanol, natural gas and hydrogen to improve fuel economy, decrease greenhouse gas emissions and transition from foreign to domestically produced fuels. As Oil Prices Rise, Car Companies Look to Electric Future June 25, 2008 REPORT Rising oil prices and improvements in battery technology are fueling new interest in electric cars. Many car companies -- including industry giant General Motors and small start-up Tesla Motors -- are planning to release new vehicles in the next two years. Tonight on the NewsHour, Spencer Michels looks at the future of the electric car. Extended Interviews: Watch interviews with General Motors CEO Rick Wagoner, Tesla Motors Chairman Elon Musk. Extended Interviews: Read transcripts of interviews with Wagoner, Musk, and California Air Resources Board head Mary Nichols. How Does Your Car Stack Up? INTERACTIVE How do alternative fuels such as ethanol, hydrogen and biodiesel affect carbon emissions and your wallet? Find your car and compare its carbon dioxide output and fuel costs to the closest comparable alternative fuel vehicles. Corn vs. Cattle in Energy Bill Proposals UPDATE The House and Senate passed versions of energy bills last summer and will attempt to send a final bill to President Bush's desk this fall. But those negotiating the renewable energy portions of the legislation will have to strike a balance between competing interest groups, ranging from farmers to ranchers to environmentalists.	Main: Alternative Fuels   Ethanol: Questions Loom   Case Study:   The Switch to Unleaded Gas   Interactive: How Does   Your Car Stack Up?   Archive   Classroom Activity   Ethanol Worksheet Questions   Lesson Plan   Car Choices and Alternative Fuels Hydrogen Fuel Cells Interactive: Learn how a fuel cell converts hydrogen into energy to power a car. Car of the Future NOVA investigates a new breed of cleaner, more efficient vehicles.

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