World’s largest EV never has to be recharged

Kuhn Schweitz Elektro Dumper electric mining truckA quarry in Biel, Switzerland, is operating the world's largest electric vehicle, a 110-ton dump truck, to haul lime and marl off the side of a mountain to a cement factory. Perhaps best of all, it consumes no energy doing it. How is that possible, you ask? The dump truck, at 45 tons, ascends the 13-percent grade and takes on 65 tons of ore. With...