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Week of 3.28.08

Quiz: Energy Efficiency

How much can you do to save energy in your home?

One strategy for reducing our nation's dependence on fossil fuels is improving the energy efficiency of our homes and offices. In addition to old-fashioned tips like keeping the refrigerator door closed, we now have access to a wide range of energy-efficient appliances, lighting and heating and cooling systems. How much do you know about making your home or office more energy efficient? Take our quiz and find out.

  1. In 2005 what percentage of the energy consumed by the United States came from renewable energy?
    2%
    7%
    15%
    20%

  2. By what percentage can energy costs be reduced in existing office buildings by replacing older heating, cooling and lighting systems with more energy efficient technology?
    30%
    20%
    10%

  3. Which of the following uses up the most energy in office buildings?
    Heating
    Cooling
    Lighting
    An angry boss

  4. On average, how much of the electricity used to power home electronics is consumed while electric products are turned off?
    40%
    25%
    0%

  5. If you replace 25% of your lights in high-use areas with compact fluorescent bulbs, how much can you save on your lighting energy bill?
    50%
    25%
    10%

  6. If every American home replaced just one light bulb with an energy efficient lightbulb, we would save enough energy to light more than 3 million homes for a year, and prevent greenhouse gases equivalent to the emissions of how many cars?
    800,000
    200,000
    10,000

  7. Which type of refrigerator-freezer is most energy efficient?
    Side-by-side model
    Freezer on top model
    Freezer on bottom model
    The ones that don't smell

  8. What is the best method for reducing your personal computer's energy use?
    Putting the computer in sleep mode
    Activating the screen saver
    Closing all open programs
    Giving your mouse some time off

  9. Which household activity consumes the most water?
    Dishwashing
    Taking a bath
    Washing clothes
    Replacing pet fish