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Pages 15-16

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
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From page 15...
... 1 1 Introduction The National Cooperative Railroad Research Program (NCRRP) is a research program administered by the Transportation Research Board (TRB)
From page 16...
... 2 macro enabled spreadsheet model of fuel, energy and greenhouse gas emissions of passenger rail, highway (bus and light duty vehicles) and air travel.

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