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[quote user="BaltACD"] [quote user="Sam1"]   How are these dwell times factored into the fuel consumption and pollution per passenger or passenger mile.  Also, how are the average load factors for the various modes of transportation factored into the calculations? <div style="clear:both;"></div> [/quote] The calculation is how much fuel Amtrak buys divided by the number of passenger miles.  Covers all the dwell and all the other uses Amtrak has for fuel.  Factor in the electicity used on the electrified lines and the passenger miles done under the wires. [/quote] Does not sound like a very sophisticated algorithm.  There are no passengers on the train during the end point dwell periods.  Also, it assumes that the engine is consuming the same amount of fuel per unit of time while it is idling as when it is running.  And how does the calculation account for the load factor?
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