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[quote user="Railway Man"]The only potentially postive economic rationale for electrification of which I am aware is the avoided cost of air emissions, and only if the cost per ton of avoided CO2, NOX, VOCs, and PMs are increased dramatically above current levels.  There is no business case for electrification -- not even the thinnest hope of one -- if the only thing we are going to do with it is avoid buying diesel fuel and maintaining diesel-electric locomotives.  Not at $8/gallon diesel fuel, either.[/quote]  RWM, <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p> While the original poster did refer to government financing of rail electrification, he did not specify whether he was referring to electrification as a business case or as a case of avoiding air emissions.  It seems to me that the latter is the more likely of the two, and as you say, the increase in the cost of emissions would have to be high enough to make the case for electrification.   The current target for U.S. CO2 reduction is 17% below levels of 2005 by 2020.  How close to making the emission avoidance case for rail electrification would that target be?
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