The National Academies
What You Need To Know About Energy
What do you know about energy?
Renewable energy (solar, wind, geothermal, hydroelectric, biofuels, waste, and wood) accounted for what percentage of the total energy supply in the United States in 2008?
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Sorry, that’s incorrect.
Renewable energy accounted for 7% of the total U.S. energy supply in 2008, less than any other type of energy source.
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Correct!
Renewable energy accounted for 7% of the total U.S. energy supply in 2008, less than any other type of energy source.
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Sorry, that’s incorrect.
Renewable energy accounted for 7% of the total U.S. energy supply in 2008, less than any other type of energy source.
Which two developing countries are expected to have the greatest growth in energy consumption between 2006 and 2030?
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Sorry, that’s incorrect.
The United States and Canada are both developed countries. China and India are projected to have the greatest growth in energy consumption between 2006 and 2030.
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Sorry, that’s incorrect.
The United States and Canada are both developed countries. China and India are projected to have the greatest growth in energy consumption between 2006 and 2030.
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Correct!
The United States and Canada are both developed countries. China and India are projected to have the greatest growth in energy consumption between 2006 and 2030.
Which of the following is emitted by coal-fired power plants?
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Sorry, that’s incorrect.
All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.
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Sorry, that’s incorrect.
All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.
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Sorry, that’s incorrect.
All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.
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Sorry, that’s incorrect.
All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.
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Correct!
All of the above are emitted from coal-fired power plants and can be harmful to our health and the environment.
In the United States, which economic sector releases the most CO2?
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Sorry, that’s incorrect.
In the United States, the transportation sector releases the most CO2. In 2006, the transportation sector released nearly 2 billion metric tons of carbon dioxide, nearly all of which was from oil.
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Sorry, that’s incorrect.
In the United States, the transportation sector releases the most CO2. In 2006, the transportation sector released nearly 2 billion metric tons of carbon dioxide, nearly all of which was from oil.
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Correct!
In the United States, the transportation sector releases the most CO2. In 2006, the transportation sector released nearly 2 billion metric tons of carbon dioxide, nearly all of which was from oil.
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Sorry, that’s incorrect.
In the United States, the transportation sector releases the most CO2. In 2006, the transportation sector released nearly 2 billion metric tons of carbon dioxide, nearly all of which was from oil.
How much of France's electricity is produced by nuclear power plants?
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Sorry, that’s incorrect.
Nearly 80% of France's electricity is produced by nuclear power plants.
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Sorry, that’s incorrect.
Nearly 80% of France's electricity is produced by nuclear power plants.
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Correct!
Nearly 80% of France's electricity is produced by nuclear power plants.
How much carbon dioxide is emitted by the average U.S. car driving one mile?
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Sorry, that’s incorrect.
The average U.S. car gets 21.4 mpg. About 19 pounds of carbon dioxide are emitted for every gallon burned, or 0.9 lb/mile.
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Sorry, that’s incorrect.
The average U.S. car gets 21.4 mpg. About 19 pounds of carbon dioxide are emitted for every gallon burned, or 0.9 lb/mile.
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Correct!
The average U.S. car gets 21.4 mpg. About 19 pounds of carbon dioxide are emitted for every gallon burned, or 0.9 lb/mile.
True or False: Increasing the energy supply is the only answer to a stable energy future.
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Sorry, that’s incorrect.
Reducing demand through the improved efficiency of devices and procedures is another way to improve our energy situation.
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Correct!
Reducing demand through the improved efficiency of devices and procedures is another way to improve our energy situation.
Which energy sources together account for 84% of the energy used in the United States?
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Sorry, that’s incorrect.
Fossil fuels (petroleum, natural gas, and coal) account for 84% of the energy used in the United States.
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Correct!
Fossil fuels (petroleum, natural gas, and coal) account for 84% of the energy used in the United States.
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Sorry, that’s incorrect.
Fossil fuels (petroleum, natural gas, and coal) account for 84% of the energy used in the United States.
What percentage of U.S. electricity was generated by wind in 2008?
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Correct!
Almost 1% of U.S. electricity was generated by wind in 2008.
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Sorry, that’s incorrect.
Almost 1% of U.S. electricity was generated by wind in 2008.
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Sorry, that’s incorrect.
Almost 1% of U.S. electricity was generated by wind in 2008.
What percentage of the coal mined in the United States was used to generate electricity in 2006?
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Sorry, that’s incorrect.
90% of the coal mined in the United States was used to generate electricity in 2006.
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Sorry, that’s incorrect.
90% of the coal mined in the United States was used to generate electricity in 2006.
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Correct!
90% of the coal mined in the United States was used to generate electricity in 2006.
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