Cover Image

PAPERBACK
$49.95



View/Hide Left Panel

natural gas (Figure 14.1). The transportation sector is 94 percent reliant on petroleum, 56 percent of which is imported (EIA, 2009).


There are important economic and national security issues related to the availability of fossil fuel resources, as well as significant environmental issues associated with their use—including, but not limited to, climate change. For example, the recent report

FIGURE 14.1 Energy consumption in the United States in 2007 by fuel source, in quadrillion Btu (bars) and as a percentage of total energy consumption (pie chart). Fossil fuels serve as the primary source of energy. SOURCE: NRC (2009d).

FIGURE 14.1 Energy consumption in the United States in 2007 by fuel source, in quadrillion Btu (bars) and as a percentage of total energy consumption (pie chart). Fossil fuels serve as the primary source of energy. SOURCE: NRC (2009d).



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement