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?

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.

The consumption of energy worldwide is projected to rise by how much between 2006 and 2030?

  • Sorry, that’s incorrect.

    Worldwide consumption of energy sources is projected to rise by nearly 50% between 2006 and 2030.

  • Correct!

    Worldwide consumption of energy sources is projected to rise by nearly 50% between 2006 and 2030.

  • Sorry, that’s incorrect.

    Worldwide consumption of energy sources is projected to rise by nearly 50% between 2006 and 2030.

Combustion of gasoline and diesel fuel emits which of the following?

  • Sorry, that’s incorrect.

    All of the above are emitted by vehicles running on gasoline and diesel fuel.

  • Sorry, that’s incorrect.

    All of the above are emitted by vehicles running on gasoline and diesel fuel.

  • Sorry, that’s incorrect.

    All of the above are emitted by vehicles running on gasoline and diesel fuel.

  • Sorry, that’s incorrect.

    All of the above are emitted by vehicles running on gasoline and diesel fuel.

  • Correct!

    All of the above are emitted by vehicles running on gasoline and diesel fuel.

How much of the world's CO2 is released by the United States?

  • Sorry, that’s incorrect.

    Almost 20% of the world's CO2 is released by the United States.

  • Sorry, that’s incorrect.

    Almost 20% of the world's CO2 is released by the United States.

  • Correct!

    Almost 20% of the world's CO2 is released by the United States.

In 2008, approximately how much energy did the United States use?

  • Sorry, that’s incorrect.

    In 2008, the United States used approximately 99.2 quads. One quad is about as much total energy as the city of Chicago requires in one year.

  • Correct!

    In 2008, the United States used approximately 99.2 quads. One quad is about as much total energy as the city of Chicago requires in one year.

  • Sorry, that’s incorrect.

    In 2008, the United States used approximately 99.2 quads. One quad is about as much total energy as the city of Chicago requires in one year.

By 2030, today's coal-fired power plants are projected to emit how much less CO2 than they emit now?

  • Correct!

    Coal-fired power plants are likely to emit 30% less CO2 in 2030.

  • Sorry, that’s incorrect.

    Coal-fired power plants are likely to emit 30% less CO2 in 2030.

  • Sorry, that’s incorrect.

    Coal-fired power plants are likely to emit 30% less CO2 in 2030.

Which of the following sources do experts expect will provide us with the “silver bullet” solution to our energy needs?

  • Sorry, that’s incorrect.

    There is no silver bullet. Tomorrow’s energy, like today’s, will come from a variety of sources.

  • Sorry, that’s incorrect.

    There is no silver bullet. Tomorrow’s energy, like today’s, will come from a variety of sources.

  • Sorry, that’s incorrect.

    There is no silver bullet. Tomorrow’s energy, like today’s, will come from a variety of sources.

  • Correct!

    There is no silver bullet. Tomorrow’s energy, like today’s, will come from a variety of sources.

Which primary energy source did we depend on the most to generate electricity in the United States in 2008?

  • Sorry, that’s incorrect.

    In 2008, the United States depended most on coal to generate electricity. Coal provided approximately 49% of the electricity generated by the United States that year.

  • Sorry, that’s incorrect.

    In 2008, the United States depended most on coal to generate electricity. Coal provided approximately 49% of the electricity generated by the United States that year.

  • Correct!

    In 2008, the United States depended most on coal to generate electricity. Coal provided approximately 49% of the electricity generated by the United States that year.

  • Sorry, that’s incorrect.

    In 2008, the United States depended most on coal to generate electricity. Coal provided approximately 49% of the electricity generated by the United States that year.

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

Pulverized Coal

Coal that has been crushed into a fine dust prior to combustion, allowing the coal to burn more rapidly and efficiently.

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