Four years ago, Anglo American Plc couldn’t find any industry partners to support its idea of replacing open-pit mining’s monster diesel trucks with climate-friendly, green hydrogen-fueled vehicles.

After investing as much as $70 million on its own to back the concept, the global miner revealed last week a new 220-ton vehicle capable of carrying about 290 tons of ore without producing global warming emissions in the process…

Anglo American, like rivals such as Glencore Plc and Rio Tinto Group, are feeling pressure from investors who are concerned about global warming to cut carbon pollution. Replacing the mine haul trucks with hydrogen-fueled ones would slash emissions at Anglo’s open-pit mines by 80%, a key step in reaching the company’s target of carbon neutrality by 2040.