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Special Report

Alternative Energy and the Future of Our Fuels

Novel fuels, "green" sources and new technologies will enable us to get around in more environmentally friendly ways

  • June 11, 2012

(Un)Reliable Energy Supplies - Transportation

The world’s level of dependence on petroleum for its transportation needs is concerning for a number of reasons, including the reliability of this energy supply.

September 14, 2011 — Melissa C. Lott

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