There's an eco-friendly cremation process that was developed within the past two decades, where the body is flash-frozen using liquid nitrogen, and then pulveri

There's an eco-friendly cremation process that was developed within the past two decades, where the body is flash-frozen using liquid nitrogen, and then pulverized into powder with vibration. Whatever happened to that? I'm finding articles on it from 1997, but it looks like it never gained much popularity. https://www.atlasobscura.com/articles/a-burial-machine-that-will-freeze-your-corpse-vibrate-it-to-dust-and-turn-it-into-soil https://www.atlasobscura.com/articles/a-burial-machine-that-...