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CNN  — 

Proposals to create a Hyperloop network that would carry passengers from Amsterdam to Paris in less than 90 minutes are under discussion in the Netherlands after a study that says the hi-tech link could be economically viable.

Hyperloop is a proposed transport mode that involves traveling in a sleek, pod-like capsule that’s propelled through a low-pressure steel tube at speeds of over 600 miles per hour.

Supposedly more sustainable than aviation and speedier than today’s top-speed trains, Hyperloop’s advocates say it’s the future of cross-country, and even cross-continental, travel.

Earlier this month, Dutch start up Hardt Hyperloop announced the results of a study carried out in collaboration with the provinc