Hyperloop was a completely infeasible design that Musk quite openly had no intention of building. It mainly seemed to exist as a tactic to attack actual planned

Hyperloop was a completely infeasible design that Musk quite openly had no intention of building. It mainly seemed to exist as a tactic to attack actual planned public transport expansion in the Bay Area, which Musk compared it unfavourably to based on figures that didn't add up.