Rio Tinto units in service

https://www.sciencealert.com/australian ... gest-robot" onclick="window.open(this.href);return false;
is a short and not terribly informative article about driverless operation on the Rio Tinto iron ore railway in Western Australia(*), but it has a nice overhead photo of two of the new (modified) GEVO units that pull the trains.
--
(*) Driverless operation should be easier to implement on railroads than on highways (no steering!)... and an isolated system in a desert, with few if any grade crossings, seems like an ideal place to work the bugs out of the technology.

Given that there was an article in Bloomberg a couple of years ago stating that Australian iron ore locomotive engineers make more money that surgeons, it does not surprise me that automation is being pushed to save cost