Waste Not, Watt Not ArticleSep 8, 2009 Waste Not, Watt Not Energy efficiency is the most cost-effective tool in energy policy and the American Clean Energy and Security Act capitalizes on its economic benefits, note Daniel J. Weiss, Erica Goad, and Jonathan Aronchick. Sep 8, 2009 Daniel J. Weiss, Erica Goad, Jonathan Aronchick