> exclusively from households that make more than $67 Energy use is proportional to spending, so above median households - regardless how they spend money - co

> exclusively from households that make more than $67 Energy use is proportional to spending, so above median households - regardless how they spend money - contributes far more to demand than below median households. Food and other things can be considered enhanced/transformed forms of energy. The demand for energy needs to be adjusted in line with supply.