The National Academies

The National Academies: What You Need To Know About Energy

What You Need To Know About Energy

What do you know about energy?

Which residential usage consumes the largest amount of energy?

  • Sorry, that’s incorrect.

    Consuming the largest amount of energy, space heating accounts for 31% of all residential energy used. Space cooling accounts for an additional 12% of energy usage.

  • Sorry, that’s incorrect.

    Consuming the largest amount of energy, space heating accounts for 31% of all residential energy used. Space cooling accounts for an additional 12% of energy usage.

  • Correct!

    Consuming the largest amount of energy, space heating accounts for 31% of all residential energy used. Space cooling accounts for an additional 12% of energy usage.

  • Sorry, that’s incorrect.

    Consuming the largest amount of energy, space heating accounts for 31% of all residential energy used. Space cooling accounts for an additional 12% of energy usage.

What percentage of commercial building energy is used by schools?

  • Sorry, that’s incorrect.

    School buildings represent 13% of commercial buildings energy use, or about 2.5% of total U.S. energy use (13% × 19%).

  • Sorry, that’s incorrect.

    School buildings represent 13% of commercial buildings energy use, or about 2.5% of total U.S. energy use (13% × 19%).

  • Correct!

    School buildings represent 13% of commercial buildings energy use, or about 2.5% of total U.S. energy use (13% × 19%).

  • Sorry, that’s incorrect.

    School buildings represent 13% of commercial buildings energy use, or about 2.5% of total U.S. energy use (13% × 19%).

How many gallons of water are required to hydraulically fracture a well, on average in the U.S.?

  • Sorry, that’s incorrect.

    The national average is around 1.5 million gallons per well , according to the EPA.

  • Sorry, that’s incorrect.

    The national average is around 1.5 million gallons per well , according to the EPA.

  • Sorry, that’s incorrect.

    The national average is around 1.5 million gallons per well , according to the EPA.

  • Correct!

    The national average is around 1.5 million gallons per well , according to the EPA.

In 2014, what percentage of the United States' total energy consumption came from oil?

  • Sorry, that’s incorrect.

    In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020. 

  • Sorry, that’s incorrect.

    In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020. 

  • Sorry, that’s incorrect.

    In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020. 

  • Correct!

    In 2014, the United States got 35% of its energy from petroleum, and experts project that demand for this fuel will rise at least through 2020. 

Renewable energy (solar, wind, geothermal, hydroelectric, biofuels, waste, and wood) accounted for what percentage of the total energy supply in the United States in 2014?

  • Correct!

    In 2014, 10% of our total energy use came from renewable energy sources, such as biomass, wind, solar, and hydropower.

  • Sorry, that’s incorrect.

    In 2014, 10% of our total energy use came from renewable energy sources, such as biomass, wind, solar, and hydropower.

  • Sorry, that’s incorrect.

    In 2014, 10% of our total energy use came from renewable energy sources, such as biomass, wind, solar, and hydropower.

  • Sorry, that’s incorrect.

    In 2014, 10% of our total energy use came from renewable energy sources, such as biomass, wind, solar, and hydropower.

The consumption of energy in the United States is projected to rise by how much between 2013 and 2040?

  • Sorry, that’s incorrect.

    U.S. energy consumption is projected to rise 9% by 2040, or 0.3% per year, while global consumption will increase about 50% over the same period

  • Sorry, that’s incorrect.

    U.S. energy consumption is projected to rise 9% by 2040, or 0.3% per year, while global consumption will increase about 50% over the same period

  • Correct!

    U.S. energy consumption is projected to rise 9% by 2040, or 0.3% per year, while global consumption will increase about 50% over the same period

  • Sorry, that’s incorrect.

    U.S. energy consumption is projected to rise 9% by 2040, or 0.3% per year, while global consumption will increase about 50% over the same period

Nuclear power provided what percentage of the total U.S. energy supply in 2013?

  • Sorry, that’s incorrect.

    19% of our electricity was generated  by nuclear fuel in 2013. 

  • Correct!

    19% of our electricity was generated  by nuclear fuel in 2013. 

  • Sorry, that’s incorrect.

    19% of our electricity was generated  by nuclear fuel in 2013. 

  • Sorry, that’s incorrect.

    19% of our electricity was generated  by nuclear fuel in 2013. 

According to the Corporate Average Fuel Economy (CAFE) standards, what is the average miles per gallon (mpg) required for new cars, SUVs, and light trucks (combined) by 2025?

  • Sorry, that’s incorrect.

    The most recent federal efficiency standards, finalized by the U.S. National Highway Traffic Safety Administration (NHTSA) and the Environmental Protection Agency (EPA) in 2012, are projected to increase fuel economy to the equivalent of 54.5 mpg for cars and light-duty trucks by model year 2025, while also reducing CO2 emissions. 

  • Sorry, that’s incorrect.

    The most recent federal efficiency standards, finalized by the U.S. National Highway Traffic Safety Administration (NHTSA) and the Environmental Protection Agency (EPA) in 2012, are projected to increase fuel economy to the equivalent of 54.5 mpg for cars and light-duty trucks by model year 2025, while also reducing CO2 emissions. 

  • Sorry, that’s incorrect.

    The most recent federal efficiency standards, finalized by the U.S. National Highway Traffic Safety Administration (NHTSA) and the Environmental Protection Agency (EPA) in 2012, are projected to increase fuel economy to the equivalent of 54.5 mpg for cars and light-duty trucks by model year 2025, while also reducing CO2 emissions. 

  • Correct!

    The most recent federal efficiency standards, finalized by the U.S. National Highway Traffic Safety Administration (NHTSA) and the Environmental Protection Agency (EPA) in 2012, are projected to increase fuel economy to the equivalent of 54.5 mpg for cars and light-duty trucks by model year 2025, while also reducing CO2 emissions. 

  • Sorry, that’s incorrect.

    The most recent federal efficiency standards, finalized by the U.S. National Highway Traffic Safety Administration (NHTSA) and the Environmental Protection Agency (EPA) in 2012, are projected to increase fuel economy to the equivalent of 54.5 mpg for cars and light-duty trucks by model year 2025, while also reducing CO2 emissions. 

In 2014, approximately how much energy did the United States use, in quadrillion BTUs?

  • Sorry, that’s incorrect.

    U.S. energy consumption was about 98 quads in 2014.

  • Sorry, that’s incorrect.

    U.S. energy consumption was about 98 quads in 2014.

  • Sorry, that’s incorrect.

    U.S. energy consumption was about 98 quads in 2014.

  • Correct!

    U.S. energy consumption was about 98 quads in 2014.

Place this badge on your facebook page to show your friends what you know about energy.

Get the badge

Place this badge on your facebook page to show your friends what you know about energy.

Get the badge

OR, get a higher score to unlock a different badge.

Retake the quiz

Place this badge on your facebook page to show your friends what you know about energy.

Get the badge

OR, get a higher score to unlock a different badge.

Retake the quiz

Explore Other Topics

Energy Hands-on

The Promise of Better Lighting

Energy savings through lighting technology

Energy Defined

Geothermal

Relating to the heat produced inside Earth.

View our full glossary