Calif. utilities must use 33 percent renewable energy for power generation by 2020

California utilities, already struggling to meet a law requiring more renewable energy, saw the bar raised even higher Monday.

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<p><a href="http://www.physorg.com/news146244558.html">Calif. utilities must use 33 percent renewable energy for power generation by 2020</a></p> <p>California utilities, already struggling to meet a law requiring more renewable energy, saw the bar raised even higher Monday.</p>