[SamCritch]

I agree it's not an "infinity train" as such (especially as plenty of energy is used to haul the ore out of the ground), but it's impressive saving 82M litres of diesel a year (and amazing it wasn't done before).

[xzcvczx]

i assume you mean "wasn't done before" in regards to modern railroads..... https://www.rankers.co.nz/system/experience_images/11476/lar...