The National Academies: What You Need To Know About Energy

The National Academies

What You Need To Know About Energy

Coal: Research and Development to Support National Energy Policy (2007)

Coal provides nearly a quarter of U.S. energy and is used to generate more than half of the nation’s electricity. Although future demand will be affected by regulation of CO2 emissions, coal use is expected to remain constant or even increase over the next several decades. As a result, it is imperative that policy makers have accurate information about the amount, location, and quality of the nation’s coal resources and reserves. Equally important is an increased investment in research and development to ensure that these valuable resources are used efficiently, safely, and in an environmentally responsible manner.

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Energy Hands-on

What do you know about energy?

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.