There already are battery electric trucks capable of carrying hundreds of tonnes of rocks. Australia actually has road trains north of 200 tonnes that are batte

There already are battery electric trucks capable of carrying hundreds of tonnes of rocks. Australia actually has road trains north of 200 tonnes that are battery electric. The battery weight is mostly not an issue. Weight savings are nice of course. But so is not burning diesel by the hundreds of gallons. The trade off is between a few percent extra weight or lots of dollars spent on fuel.