The National Academies: What You Need To Know About Energy

The National Academies

What You Need To Know About Energy

As debates about energy grow more intense, Americans need dependable, objective, and authoritative energy information. The National Academies, advisers to the nation on science, engineering, and medicine, provide the facts about energy—a complex issue that affects us as individuals and as a nation.

Uses

Discover how the strength of American industry, speed of transportation, and countless modern conveniences all come from our ingenious use of energy.

Sources

The United States depends on a variety of energy sources. What advantages and challenges does each one present to our nation and its people?

Costs

Learn about the costs of our unprecedented standard of living—to the environment, to our national security, and to irreplaceable resources.

Efficiency

Increasing supply isn’t the only answer to a stable energy future. Discover how reducing demand through improved efficiency achieves the same effect.

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Energy Videos

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America's Energy Future

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What do you know about energy?

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.

Energy Defined

Corporate Average Fuel Economy (CAFE)

Federal standards that stipulate a target average fuel economy rating (typically expressed in miles per gallon, or mpg) to be met by passenger vehicles by a certain date. The most recent version of the CAFE law, pending passage by Congress, requires new cars, SUVs, and light trucks to average 35.5 mpg by 2016.

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