Individual marginal efficiency arbitrage is the wrong mental framework for analysis of the problem at hand. We are not trying to burn carbon more efficiently,

Individual marginal efficiency arbitrage is the wrong mental framework for analysis of the problem at hand. We are not trying to burn carbon more efficiently, we are trying to stop burning carbon. We are not optimizing, we are solving for zero. An EV run on coal today will automatically inherent the solution as we decarbonize the grid.