The other companies suck, can't do it profitability, has too much waste, etc. 45% efficiency? No, I don't recall JBII stating only 45% efficiency. I think you are confused. Envion? I called them. They do well they claim. But their machines cost $8 million. JBII's cost $200,000 I believe.
Return on investment of $200,000 is much easier to be profitable than $8 million. I'm sure there's simple ...