When massive, open-pit mines like the Minera Escondida —in Chile’s Atacama Desert—need to pull millions of tons of minerals out of the ground each year, they rely on fleets of huge, “Ultra-Class” haul trucks. The ETF Haul Train, however, pulls four times the minerals of these stone-toting behemoths with just one driver. More »

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Don’t Call It a Dump Truck: This Massive Mineral Hauler Transforms Into an Overland Train