https://electrek.co/2025/06/21/fortescue-infinity-train-electric-locomotive-never-needs-fuel-or-charging/ Skip to main content Toggle main menu Go to the Electrek home page Switch site * 9to5Mac * 9to5Google * 9to5Toys * DroneDJ * Space Explored * About * Privacy * * * * * * * * * * * * * Toggle social menu * Toggle dark mode Search for: [ ] Submit Toggle search form * Exclusives * Autos + Electric Vehicle Price Guide - best prices for dealers in the US + Tesla + Ford + GM + BMW + Jaguar + VW + Daimler/Mercedes + Hyundai + Nissan + Toyota * Alt. Transport + Ebikes + Electric Motorcycles + Bus + Hyperloop * Autonomy + Tesla Autopilot + Cruise Automation + Uber + Waymo * Energy + Green Energy + Climate * Tesla Shop * Store * * * * * * * * * * * * * * Toggle dark mode * Heavy Equipment * Electric train * mining * Fortescue Fortescue Infinity Train electric locomotive never needs fuel or charging Avatar for Jo Borras Jo Borras | Jun 21 2025 - 11:46 am PT 7 Comments Our prototype battery electric locomotive has made the 1,100 kilometre journey from Perth to the Pilbara - a major milestone in the decarbonisation of our heavy haul operations. Fortescue has taken the wraps off a prototype of its proposed "Infinity Train" electric locomotive, making the 1,100 km (about 685 miles) trip from Perth to the Pilbara and marking a major milestone in the decarbonization of the company's heavy haul operations. Co-developed with the locomotive experts at Downer Group, Fortescue revealed its concept for a battery electric "Infinity Train" back in March of 2022. At the time, the company promised a "world's first" iron ore train capable of fully charging its batteries through regenerative braking. The two companies claimed the clever technology would create a self-sustaining, zero-emission rail system powered entirely by the force of gravity during the train's loaded downhill travels. This week, the concept went from the drawing board to the real world, completing an 1,100 km trip across Australia and proving itself to be up to the task of handling the grueling demands of Fortescue's massive mining operations. "We're thrilled to see our battery electric locomotive prototype arrive in the Pilbara," said Ellie Coates, CEO of Fortescue Zero. She added that the achievement, using zero fossil fuels, "represent (s) a major step in Fortescue's journey to Real Zero." Advertisement - scroll for more content The Fortescue Infinity Train uses the energy produced by slowing the loaded train on downhill sections of the company's 385 mile private, heavy-haul rail network to recharge its battery systems. That energy is enough to bring the unloaded train back to the mine, eliminating the need for external charging infrastructure or additional renewable energy sources, making the train almost entirely self-sufficient. Fortescue says the deployment of the Infinity Train concept at its mines will eliminate more than 82 million liters of diesel fuel consumption (about 21 million gallons, which ChatGPT tells me amounts to about 235,200 tons of CO2 emissions). That change alone would eliminate about 11% of Scope 1 emissions annually for Fortescue all on its own, putting it well on its way to its stated goal of achieving "Real Zero" emissions-free operations. Electrek's Take --------------------------------------------------------------------- [fortescue_infinity-train]Infinity Train on the rails; via Fortescue. Using gravity to charge up heavily-laden mining vehicles on downhill runs is an idea that's been put into practice for years, with great success wherever the topography allows (since 2017, at least). Combining that clever use of gravity, traction braking, and battery storage for use on a rail system like this just seems smart, and it makes me think we're just scratching the surface of all the clever ways electrification and battery storage will eventually get put to use. I wonder what would happen if you threw some battery electric rail cars into the mix, as well!? You guys are smart, head down to the comments and let me know (and, while you're there, help me check ChatGPT's math on those carbon emissions). SOURCE | IMAGES: Fortescue, via LinkedIn. 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Comments Expand Close comments Expand Close comments Guides Heavy Equipment Heavy Equipment Electric train Electric train mining Fortescue Author Avatar for Jo Borras Jo Borras volvojo1 I've been in and around the auto industry since the 90s, and have written for a number of well-known outlets like CleanTechnica, the Truth About Cars, Popular Mechanics, and more. You can catch me on The Heavy Equipment Podcast with Mike Switzer, the AutoHub Show with Ian and Jeff, or chasing my kids around Oak Park, IL.