Mrs. Green interviews Steven Nadel, Executive Director American Council for an Energy-Efficient Economy (ACEEE), who has worked in the energy efficiency field for more than 30 years and has over 100 publications. He has testified many times before Congress on energy efficiency subjects and also testified before multiple state legislatures. The ACEEE acts as a catalyst to advance energy efficiency policies, programs, technologies, investments, and behaviors. They believe that the United States can harness the full potential of energy efficiency to achieve greater economic prosperity, energy security, and environmental protection for all its people.