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SClearly future demand growth is an
important variable in the decision to increase capacity.
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SU.S. demand more than tripled in the 50
years from 1950 to 2000, fueled by transportation, which went from just
over half of petroleum demand in 1950 to over 2/3 of demand by the year 2000.
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SBut will such growth continue in the future,
and what might change that pattern?
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