I think the reference is about following the slogan, rather than developing tech. In other words, adding regulation to shut down fossil fuels (especially coal f

I think the reference is about following the slogan, rather than developing tech. In other words, adding regulation to shut down fossil fuels (especially coal for energy) before being able to secure the economy with "clean" energy. And of course, the misnomer of nuclear as dirty, rather than clean and efficient.