The oil disaster in the Gulf of Mexico has intensified the effort to move away from petroleum and other fossil fuels in favor of clean renewable sources of energy -- to power the electric grid as well as transportation. Even major oil companies now tout wind turbines and solar arrays as part of their "green energy" initiatives. But one energy expert, Robert Bryce, argues that the clean energy needed for the near term future will not come from the wind or sun. VOA's Greg Flakus visited Bryce at his home in Austin, Texas and filed this report.
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