Hyperloop Would Have 'Astronomical' Pricing, Unrealistic Construction Costs

Upon unveiling Hyperloop, a futuristic concept for high-speed travel that promises to turn the six-hour commute from San Francisco to Los Angeles into a 30-minute trip, billionaire industrialist Elon Musk was ready to answer what seemed like every conceivable engineering question. Experts, Musk knew, would want to know how Hyperloop, which would move passengers inside an above-ground pressurized tube between the cities, would deal with everything from earthquakes to air friction.