Living in the Environment 18th Edition by Tyler Miller,Scott Spoolman

Exercise 7

What are the two key concepts for this section What is energy efficiency Explain why we can think of energy efficiency as an energy resource. What percentage of the energy used in the United States is unnecessarily wasted List five widely used energyinefficient technologies. What are the major advantages of reducing energy waste List four ways to save energy and money in industry. What is cogeneration How can electric utility companies help people reduce their energy waste What is a smart grid and why is it important What are the hidden costs of using gasoline