Mar 27 2019 So how exactly did Republicans come up with this $93 trillion cost?But again, the point of energy efficiency is to save energy. So the energy efficiency upgrades can pay for themselves in energy savings. The figure of $93 trillion is admittedly absurd, but that's only because the planks of the GND are absurdly expensive. This is one reason that I have called their cost estimate conservative. elements of green new deal redundantthe aaf analysis points out something that i haven't seen others stress. Explaining the Job Guarantee Cost EstimateIn this final section I'll explain the AAF estimate of the cost of the federal job guarantee. While the water from public water systems is federally regulated, water from private wells doesn't have the same safety nets to protect against contamination.