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ET3 requires 1/30th of the materials of high speed rail, so construction costs a tenth as much. A pair of ET3 tubes at 350mph can exceed the capacity of a 40-lane freeway at half the cost of 4 lanes. ET3 capacity scales with design velocity. ET3 can provide 50 times more transportation per kWh than electric cars or trains, yet operates at 400mph domestic, to 4000mph international."
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