But this so-called coal revival plan wastes millions when clean energy is cheaper and growing at a breakneck pace. ‘This is a colossal waste of money’Environmental experts and clean energy advocates blasted the DOE’s coal plan as wasteful, polluting, and economically foolish. No new US coal plants are planned, and dozens of aging coal plants are slated for retirement in the next few years due to high costs and old age. Electrek’s TakeSpending $625 million to revive coal – the dirtiest, most carbon-heavy energy source – is a ridiculous move when clean energy is cleaner and cheaper. just banned the words ‘climate change’The 30% federal solar tax credit is ending this year.