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

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

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

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

Energy Efficiencies (Fig p. 381)

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

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

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

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

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

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

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

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

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

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

The Hydrogen Revolution  Extracting hydrogen efficiently  Storing hydrogen  Fuel cells  Environmentally friendly hydrogen

The Hydrogen Revolution Fig p. 403

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

Solutions: A Sustainable Energy Strategy Fig p. 407