Change is blowing for wind power industry
Even with oil prices marching toward $70 a barrel, most alternative energy sources require heavy federal subsidies to allow producers to turn a profit. Wind power, though it still enjoys subsidies, is one of the few that is becoming economically competitive in its own right -- thanks to rising electric power costs in many parts of the world and technological advances in the design and manufacture of wind turbines. As a result, total wind power generation capacity in the U.S. is expected to grow by about a third this year. But developers of wind power have begun to confront other barriers to the production this relatively cheap, clean renewable energy source.
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