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Wind power buffeted by technical and economic challenges
US: The vagaries of economics and energy policy have compounded those of the winds. After the oil embargo passed, tax credits for alternative power fell away in the mid-1980s. Many wind companies withered.
June 11, 2004
Solar power city offers 20 years of lessons
A 20 year experiment in renewable energy leaves some unclear answers. Has solar power worked here? Has it worked around the country? Can it help us get beyond our dependence on fossil fuels? Yes and no, to all three questions.
June 6, 2004
