Developing software for energy conservation in the process industries: executive briefing report Page: 5 of 75
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ENERGY USE IN THE PROCESS INDUSTRIES
The U.S. has experienced rapid growth and development over a
very short time span. This exponential surge has made it the
most energy-intensive country in the world today. With only
six percent of the world's population, our society accounts for
nearly a third of the world's energy consumption. The economic
benefits of our industrialized society are reflected in the
nation's standard of living — one of the world's highest. The
U.S. Gross National Product (U.S. GNP), one of the leading
economic indicators of the growth and wealth of a nation, is
found to be closely related to the country's energy consumption,
as shown in Figure 1. From 1950 to 1970, the U.S. GNP increased
from $285 billion to $1 trillion — a threefold increase. Clearly,
much of America's wealth is directly related to its energy
A look at the country's consumption habits reveals that they
rely heavily on oil and natural gas (Figure 2). In fact, 75 per-
cent of all energy consumed in this country is produced from these
fossil fuels. Just 60 years ago, coal was used for 75 percent
of the nation's energy needs. Today coal supplies only 18 percent
of our energy. The remaining 7 percent is supplied essentially
by hydro-electric and nuclear sources.
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Developing software for energy conservation in the process industries: executive briefing report, report, Date Unknown; United States. (digital.library.unt.edu/ark:/67531/metadc1093002/m1/5/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.