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PREDICTIONS – 10 Years Later - Santa Fe Institute

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APPENDIX C<br />

THE EXIT OF STEAM ENGINES<br />

APPENDIX FIGURE 6.1 S-curve fits would seem superfluous to this data showing<br />

the decline of steam locomotives in the United States and the U.S.S.R. The<br />

complimentary rising S-curves for the percentages of the new “species,” diesel<br />

plus electric locomotives, are not shown. ∗<br />

∗ Adapted from a graph by Grubler, reprinted by permission of the publisher from Arnulf<br />

Grubler, The Rise and Fall of Infrastructures, 1990, Physica-Verlag, Heidelberg.<br />

300

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