Sport, like war, is a hyper-competitive activity, driving innovation. And it’s pacey innovation that Dr Forrest now needs, if he is going to find a hydrogen-electric solution to turn his diesel fleet green, on the seven-year timeframe he has set. “There’s great competition across industries, particularly in the mining industry, and it really drives technical development. But if the technical development isn’t shifting out of its rail lines of fossil fuel, of just being satisfied with being the most efficient bulk miners, then you’ve got to drive competition in other fields,” he said. “We didn’t need to crack cutting-edge technology…