Commentary
According to the official, widely reported story, Pacific Gas & Electric (PG&E) shut down substantial portions of its electric transmission system in northern California as a precautionary measure.
Wind turbines near Palm Springs, Calif., on May 13, 2008. David McNew/Getty Images
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Richard Trzupek
Author
Rich Trzupek is a chemist, author and nationally recognized air quality expert. He lives in Lincoln, Nebraska.
