Wind turbines in Nolan, Texas.
Wind turbines in Nolan, Texas. Jill Johnson, Fort Worth Star-Telegram
Wind turbines in Nolan, Texas. Jill Johnson, Fort Worth Star-Telegram

Fickle winds, clouded sun pose problems for renewable energy

July 11, 2007 06:00 AM

UPDATED July 11, 2007 08:24 AM

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