You say could evil coal be clean enough–well it is.

And there is no air pollution risk that justifies the economic and human welfare damage that attaches to stupid renewables.

Nuke, Hydro, gas fired, coal in rank for emissions.

For affordable the ranks are hydro, coal, gas fired coal, gas, then the silly renewables like biomass, wind, with solar a dead last.

http://instituteforenergyresearch.org/wp-content/uploads/2015/06/ier_lcoe_2015.pdf