Future Micro HH systems should create endless energy production units on earth without CO2 pollution.
New Electric Dark Matter Black holes are Plasma Producing Charge Splitters at a Fermion Repelling Horizon
Larger black holes eat smaller ones, as the start of the Big Crunch.
see: https://bigbang-entanglement.blogspot.com/2019/12/the-physics-of-rigid-transformer.html
and also: THIS book at part 2, ch 8. free energy.