Chu's Departure Means End to Energy Era

U.S. Energy Secretary Steven Chu announced he was becoming the latest in a long line of officials headed for the exits doors as President Barack Obama begins his second term. The Nobel Prize-winning physicists touted his legacy of green-energy initiatives during his tumultuous tenure. In terms of solar power, he said the Energy Department is now close to its goal of reducing utility-scale solar energy to around $1 per watt. Batteries developed for plug-in electric vehicles, meanwhile, could lead to a revolution in the revitalized U.S. auto industry while wind power is expected to gain dominance in the nation's energy mix. Against that backdrop, however, is corresponding growth in domestic crude oil production and signs the Energy Department may have reached its zenith in terms of natural resource policies.

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