Rio Tinto, the 2nd largest mining company in the world, has been working on autonomous trains and mining trucks for quite a while now. Only recently approved,

Rio Tinto, the 2nd largest mining company in the world, has been working on autonomous trains and mining trucks for quite a while now. Only recently approved, though: https://www.smartrailworld.com/mind-blowing-rio-tinto-autonomous-train-safety-approval https://www.smartrailworld.com/mind-blowing-rio-tinto-autono...