WASHINGTON — As President Obama pushes ahead on a strategy to confront climate change that relies heavily on energy efficiency, some Americans may see flashbacks of Jimmy Carter trying to persuade them to wear an extra sweater and turn down the thermostat.
The technology world sees dollar signs.
Long overshadowed by wind turbines, solar panels and other fashionable machines of renewable power, energy efficiency has lately become a hot pursuit for tech entrepreneurs, big-data enthusiasts and Wall Street speculators.
They have leveraged multibillion-dollar programs in several states, led by California and Massachusetts, to cultivate a booming industry. This onetime realm of scolds, do-gooders and bureaucrats has become the stuff of TED talks, IPOs and spirited privacy debates.