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A comment on Elon Musk and the Hyperloop . Parent comment

Re:Elon Musk and the Hyperloop by graeham on Wednesday November 21, 2012 @02:21PM (#4815817)
Old report, but seems to me that barge shipping is more energy efficient than truck or rail (see page x): http://www.cbo.gov/sites/default/files/cbofiles/ftpdocs/53xx...

More recent report from Europe comparing different transport modes for CO2 by kg-km traveled. Shipping is reported as most efficient over rail and road. http://www.eea.europa.eu/data-and-maps/indicators/energy-eff...

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Re:Elon Musk and the Hyperloop by robomartin on Wednesday November 21, 2012 @02:26PM (#4815843)
Note that I am not suggesting that conventional rail or trucking are options here. Trucking is only efficient for "last mile" delivery.
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