The Chinese can look at the long term effects of technological advances without the worry of cost or political shennanigans.
E3T has the potential to take you from DC to LA in 45 minutes, faster than any plane. It also has the potential to be very energy effective, only needing an initial burst of energy to accelerate it to 4000 MPH then that inertia is mostly recovered in deceleration.
Energy cost per mile that is a very small fraction of the fuel used in air transport.
regards
Mech
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