It comes from a book, as is stated in this article (https://time.com/6203815/elon-musk-flaws-billionaire-visions/ https://time.com/6203815/elon-musk-flaws-billi

It comes from a book, as is stated in this article (https://time.com/6203815/elon-musk-flaws-billionaire-visions/ https://time.com/6203815/elon-musk-flaws-billionaire-visions...) : > As I’ve written in my book, Musk admitted to his biographer Ashlee Vance that Hyperloop was all about trying to get legislators to cancel plans for high-speed rail in California—even though he had no plans to build it.