1. Energy Efficiency and Renewable Energy
G. Tyler Miller’s
Living in the Environment
14th Edition
Chapter 18

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 geothermal energy
Use of hydrogen as a fuel
Decentralized power systems

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

4. Energy Efficiencies (Fig. 18-5 p. 381)

5. Ways to Improve Energy Efficiency
Cogeneration
Efficient electric motors
High-efficiency lighting
Increasing fuel economy
Alternative vehicles
Insulation
Plug leaks

6. Hybrid and Fuel Cell Cars
Hybrid electric-internal combustion engine
Fuel cells
Fig p. 385

7. Using Solar Energy to Provide Heat
Passive solar heating
Active solar heating
Fig p. 391

8. Using Solar Energy to Provide High-Temperature Heat and Electricity
Fig p. 395
Solar thermal systems
Photovoltaic (PV) cells
Fig p. 394

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

10. Large-scale Hydroelectric Power: Trade-offs
Fig p. 396

11. Reviewing the Trade-offs of Hydropower Dams
Fig p. 313

12. Producing Electricity from Wind
Fig p. 396
Fig p. 397

13. Producing Energy from Biomass
Biomass and biofuels
Biomass plantations
Crop residues
Animal manure
Biogas
Ethanol
Methanol
Fig p. 398

14. Geothermal Energy Geothermal heat pumps Geothermal exchange
Dry and wet steam
Hot water
Molten rock (magma)
Hot dry-rock zones

15. The Hydrogen Revolution
Environmentally friendly hydrogen
Extracting hydrogen efficiently
Storing hydrogen
Fuel cells

16. The Hydrogen Revolution
Fig p. 403

17. Entering the Age of Decentralized Micropower
Decentralized power systems
Micropower systems
Fig p. 405

18. Solutions: A Sustainable Energy Strategy
Fig p. 407