Look like Caterpillar has been doing some of this too: https://www.cat.com/en_US/news/machine-press-releases/caterpillar-and-luck-stone-celebrate-one-million-t

Look like Caterpillar has been doing some of this too: https://www.cat.com/en_US/news/machine-press-releases/caterpillar-and-luck-stone-celebrate-one-million-tons-hauled-autonomously-at-bull-run-quarry.html https://www.cat.com/en_US/news/machine-press-releases/caterp...