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Uploaded on Jan 29, 2009
Many authoritative studies over the past several decades state that energy efficiency, aka Negawatts, is cheaper, faster, cleaner, more sustainable and more profitable than building more power plants of any kind. In this Jan. 20, 2009 Berkeley Lab lecture, Lee Eng Lock of Singapore's TRANE discusses the barriers, success stories as well as failures associated with the Negawatt revolution.