Reducing Gasoline Consumption: Three Policy Options.
Congressional Budget Office, November 2002. Available at www.cbo.gov/ftpdocs/39xx/doc3991/11-21-GasolineStudy.pdf
Reducing Greenhouse Gas Emissions from U.S. Transportation.
David L. Greene and Andreas Schafer. Pew Center on Global Climate Change, May 2003. Available at www.pewclimate.org/docUploads/ustransp.pdf
Mobility 2030: Meeting the Challenges to Sustainability. World Business Council for Sustainable Development, 2004. Available at www.wbcsd.org/web/publications/mobility/mobility-full.pdf
DOE FreedomCAR and Vehicle Technologies Program's Fact ofthe Week: www1.eere.energy.gov/vehiclesandfuels/facts/2006_index.html
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The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.