What’s the assumption that causes them to find there’s still a market for fossil fuels at all by 2060? I’d be surprised if its share of energy generation doesn

What’s the assumption that causes them to find there’s still a market for fossil fuels at all by 2060? I’d be surprised if its share of energy generation doesn’t drop to practically zero. Why would we think it flattens out? With some technology transitions there’s some benefit of keeping old technology around. But for coal and oil, there’s huge costs associated with digging/drilling the fuel out. Without the economies of scale that the oil, gas and coal industry has today I would be surprised if the whole thing doesn’t collapse completely in a fairly short time.