He's also building one, so he has a vested interest in the technology being successful: https://techcrunch.com/2017/08/04/elon-musk-reportedly-planning-to-build

He's also building one, so he has a vested interest in the technology being successful: https://techcrunch.com/2017/08/04/elon-musk-reportedly-planning-to-build-his-own-hyperloop-for-tunnel-system/ https://techcrunch.com/2017/08/04/elon-musk-reportedly-plann...