We're not likely to see large-scale fusion development even if it does become technically possible, because wind and solar are already so cheap that heat-engine

We're not likely to see large-scale fusion development even if it does become technically possible, because wind and solar are already so cheap that heat-engine-based power generation cannot compete. Even if we could build fusion power stations, investors would still get a better, safer, and quicker return via renewables, so that's where the money would go.