I'm referring to promises of reliable, cheap and zero waste cold fusion or plasma or whatever reactors that were promised to 100% replace fossil fuels. A handf

I'm referring to promises of reliable, cheap and zero waste cold fusion or plasma or whatever reactors that were promised to 100% replace fossil fuels. A handful of reactors here and there while an awesome achievement in itself doesn't really meet the expectations people of the sixties had for the year 2000. Other analogies I considered using but was too lazy to mention in my comment were jet packs, space tourism, cure for cancer and HIV. (and you could say all of these have also been delivered... to some extent)