The National Academies: What You Need To Know About Energy

The National Academies

What You Need To Know About Energy

What do you know about energy?

In 2008, of the four economic sectors, which used the most energy in the United States?

  • Sorry, that’s incorrect.

    In 2008, industry used 31% of the total energy used; next was transportation at 28%, then residential at 22%, and commercial at 19%.

  • Sorry, that’s incorrect.

    In 2008, industry used 31% of the total energy used; next was transportation at 28%, then residential at 22%, and commercial at 19%.

  • Sorry, that’s incorrect.

    In 2008, industry used 31% of the total energy used; next was transportation at 28%, then residential at 22%, and commercial at 19%.

  • Correct!

    In 2008, industry used 31% of the total energy used; next was transportation at 28%, then residential at 22%, and commercial at 19%.

How much of the U.S. supply of natural gas is imported from outside North America?

  • Correct!

    Less than 2% of the U.S. supply of natural gas is imported from outside North America.

  • Sorry, that’s incorrect.

    Less than 2% of the U.S. supply of natural gas is imported from outside North America.

  • Sorry, that’s incorrect.

    Less than 2% of the U.S. supply of natural gas is imported from outside North America.

How much of France's electricity is produced by nuclear power plants?

  • Sorry, that’s incorrect.

    Nearly 80% of France's electricity is produced by nuclear power plants.

  • Sorry, that’s incorrect.

    Nearly 80% of France's electricity is produced by nuclear power plants.

  • Correct!

    Nearly 80% of France's electricity is produced by nuclear power plants.

True or False: Lighting accounts for 18% of all electricity used in the United States.

  • Correct!

    Lighting accounts for 18% of the electricity used in the United States. A 12% decrease in overall electricity use in buildings could be realized if incandescent bulbs were replaced with CFL or LED bulbs.

  • Sorry, that’s incorrect.

    Lighting accounts for 18% of the electricity used in the United States. A 12% decrease in overall electricity use in buildings could be realized if incandescent bulbs were replaced with CFL or LED bulbs.

How many commercial coal-fired power plants utilize carbon capture and sequestration practices in 2009?

  • Correct!

    In 2009, there were no commercial coal-fired plants utilizing carbon capture and sequestration.

  • Sorry, that’s incorrect.

    In 2009, there were no commercial coal-fired plants utilizing carbon capture and sequestration.

  • Sorry, that’s incorrect.

    In 2009, there were no commercial coal-fired plants utilizing carbon capture and sequestration.

Which of the following is not considered to be a drawback to wind energy?

  • Sorry, that’s incorrect.

    While wind energy has many benefits, all of the above are considered drawbacks to wind energy.

  • Sorry, that’s incorrect.

    While wind energy has many benefits, all of the above are considered drawbacks to wind energy.

  • Sorry, that’s incorrect.

    While wind energy has many benefits, all of the above are considered drawbacks to wind energy.

  • Correct!

    While wind energy has many benefits, all of the above are considered drawbacks to wind 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?

  • 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.

  • Correct!

    Renewable energy accounted for 7% of the total U.S. energy supply in 2008, less than any other type of energy source.

  • 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.

What percentage of America's total energy came from wind in 2008?

  • Correct!

    In 2008, wind accounted for 0.5% of America's energy portfolio.

  • Sorry, that’s incorrect.

    In 2008, wind accounted for 0.5% of America's energy portfolio.

  • Sorry, that’s incorrect.

    In 2008, wind accounted for 0.5% of America's energy portfolio.

According to the Corporate Average Fuel Economy (CAFE) standards updated in December 2007, what is the average miles per gallon (mpg) required for new cars, SUVs, and light trucks (combined) by 2020?

  • Sorry, that’s incorrect.

    Based upon the 2007 CAFE standards, the new average mpg required by 2020 is 35 mpg.

  • Correct!

    Based upon the 2007 CAFE standards, the new average mpg required by 2020 is 35 mpg.

  • Sorry, that’s incorrect.

    Based upon the 2007 CAFE standards, the new average mpg required by 2020 is 35 mpg.

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Energy Hands-on

Energy Defined

Gigawatt

One billion watts, a watt being a unit of measure of power, or how fast energy is used. Gigawatts are typically used to describe very large quantities of power, such as the power carried by a major section of the U.S. electrical grid.

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