Bluestone Energy was recently interviewed for an article on trends in energy conservation. From the article:   Of about 70 billion square feet (6.5 billion sq meters) of U.S. office space, as little as 1 billion square feet (93 million sq meters) have been retrofitted, Terzic said. To illustrate the potential, McKinsey & Co projected that U.S. investments of $520 billion in building efficiency through 2020 would yield $1.2 trillion in energy savings and reduce […]

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