Wind, the 'workhorse' of renewable energy

Mercury News: When it comes to renewable energy, Californians hear a lot about solar power. Massive solar power plants are under construction in the desert and will soon be online. Solar panels adorn the roofs of a growing number of homes and commercial buildings. PG&E alone has 90,000 solar customers. Gov. Jerry Brown recently spoke at Intersolar, the solar trade show that met in San Francisco this month, and the state's solar industry lobby is increasingly influential.

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