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Negawatt is a program that helps you understand how changing the way you light your house will improve your energy use, save you money, and help...
Despite rapid growth, the so-called demand management company posts a fourth-quarter loss that's larger than estimates, punishing its stock.
Amory Lovins, hero of environmentalists and adviser to Fortune 500 firms, says it's time for bold changes in energy and transportation, focusing first on efficiency.
Energy efficiency is getting serious attention as a "source" of energy. EnerNoc CEO Tim Healy talks about how it works and how policies could put efficiency on par with renewables.
Project financing for energy project is helping fuel renewable energy adoption. MMA Renewable Ventures expands financing to energy efficiency for midsize companies.