One of the moonshot ideas I'd love to advance in my lifetime is just a real estate investment fund that buys up contaminated properties like said gas station, rehabilitates them slowly using inexpensive methods like bioremediation, and rolls sales of cleaned land into more contaminated properties. The cost to lock up that much capital for that long tied to that much liability would be significant of course, but starting an endowment it would be a huge public benefit that, eventually, could pay for its own operations.
Interesting, I'm Canadian so I hadn't known about that. It looks like the Superfund uses traditional (expensive) remediation methods, but there are probably a lot of similarities to what I imagine.
