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Thomas comments on Crazy Ideas Thread, Aug. 2015 - Less Wrong
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You save energy not lifting a cargo ship 1600 meters, but you spend energy lifting the cargo itself. If there are rivers that can be turned into systems of locks it may be cheaper to let water flowing downhill do the lifting for you. Denver is an extreme example, perhaps.
According to Wikipedia:
You already have to elevate each of those containers (with the train or truck from the coast). An electric elevator would be much more energy efficient than the current solutions are. A litter or so of diesel fuel of electricity per container. Less than 100 kilometers of shipping. Much less than 1000 kilometers of trucking.