ᐅ As the saying goes, the Stone Age did not end because we ran out of stones; we transitioned to better solutions. The same opportunity lies before us with energy efficiency and clean energy. – Steven Chu | QuotesTrue.com

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As the saying goes, the Stone Age did not end because we ran out of stones; we transitioned to better solutions. The same opportunity lies before us with energy efficiency and clean energy.

Steven Chu

Letter from Secretary Steven Chu to Energy Department Employees, energy.gov. February 1, 2013.

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