1. Chapter 16 16-1,16-2, 16-9,16-10: Energy Efficiency and Sustainability

2. OBJECTIVE:  Evaluate strategies to improve energy efficiency.

3. The Coming Energy-Efficiency and Renewable-Energy Revolution  The heating bill for this energy-efficient passive solar radiation office in Colorado is $50 a year.

4. WHY?  84% wasted (US)  43% unnecessary

5. BIGGEST LOSERS  Incandescent light bulb: 95%  Internal combustion engine: 94%  Nuclear power plant: 92% - 86%  Coal-burning power plant: 66% Solutions Reducing Energy Waste Prolongs fossil fuel supplies Reduces oil imports Very high net energy Low cost Reduces pollution and environmental degradation Buys time to phase in renewable energy Less need for military protection of Middle East oil resources Creates local jobs

6. Net Energy Efficiency: Honest Accounting

7. TRANSPORTATION ENERGY EFFICIENCY  Corporate Average Fuel Economy (CAFE)  Mass-transit

8. AUTOMOBILES  Hybrid-electric  Fuel-cell

9. HOMES AND INDUSTRY  Superinsulation  Living roofs  EnergyStar™  Cogeneration

10. Why Are We Still Wasting So Much Energy?  The “Britney Effect”

11. SUSTAINABLE STRATEGY  Efficiency  Renewable Energy  Mitigate pollution  Micropower systems.

12. OBJECTIVE:  Evaluate strategies to improve energy efficiency.

13. ASSIGNMENT: POST ANSWERS  Why should we focus more on energy efficiency?  List one of the “Biggest Losers”.  What is “CAFE”?  Are hybrid-electric or fuel-cell vehicles a solution to reducing fossil fuel use?