The cleanest backup fuel for the grid? Biogas, second is natural gas. And both of these fuels are easily stored and distributed, on already existing gas pipelines. Biogas is more easily and efficiently generated in a distributed manner. Less transportation of farm waste and biomass, and the organic fertilizer byproduct.   more »

No wonder guys like Joseph Romm hardly ever respond to my stuff. Hehey. He has 14 wedges of energy policy that he says are the best way to head off climate disaster.   more »