1. Energy Efficiency and Renewable Energy
G. Tyler Miller’s
Living in the Environment
13th Edition
Chapter 16
Dr. Richard Clements
Chattanooga State Technical Community College

2. Key Concepts Improving energy efficiency
Types and uses of solar energy
Types and uses of flowing water
Uses of wind energy
Types and uses of biomass
Use of hydrogen as a fuel
Use of geothermal energy
Decentralized power systems

3. The Importance of Improving Energy Efficiency
Net useful energy
Life cycle cost
Least Efficient
Incandescent lights
Internal combustion engine
Nuclear power plants
Fig p. 381

4. Efficiencies (fig p. 382)

5. Ways to Improve Energy Efficiency
Insulation
Elimination of air leaks
Air to air heat exchangers
Cogeneration
Efficient electric motors
High-efficiency lighting
Increasing fuel economy

6. Electric and Hybrid Cars
Rechargeable battery systems
Hybrid electric-internal combustion engine
Fuel cells
Fig p. 365

7. Using Solar Energy to Provide Heat and Electricity
Passive solar heating
Active solar heating
Fig p. 394

8. Using Solar Energy to Provide High-Temperature Heat and Electricity
Fig p. 400
Solar thermal systems
Photovoltaic (PV) cells
Fig p. 398

9. Producing Electricity from Moving Water
Large-scale hydropower
Small-scale hydropower
Pumped-storage hydropower
Tidal power plant
Wave power plant

10. Producing Electricity from Heat Stored in Water
Ocean thermal energy conversion (OTEC)
Saline solar ponds
Freshwater solar ponds

11. Producing Electricity from Wind
Fig p. 402
Fig p. 402

12. Producing Energy from Biomass
Biofuels
Fig
p. 404
Biomass plantations
Crop residues
Animal manure
Biogas
Ethanol
Methanol

13. The Solar-Hydrogen Revolution
Extracting hydrogen efficiently
Storing hydrogen
Fuel cells
Fig p. 386

14. Geothermal Energy Geothermal reservoirs Dry steam Wet steam Hot water
Fig p. 409
Dry steam
Wet steam
Hot water
Molten rock
Hot dry-rock zones

15. Geothermal Reservoirs
Fig p. 410

16. Entering the Age of Decentralized Micropower
Centralized power systems
Decentralized power systems
Micropower systems
Fig p. 411
Fig
p. 411

17. Solutions: A Sustainable Energy Strategy
Fig p. 414