cautionAccording to the financials here, Exro will have spent about $ 67 million over the past 3 years. It has essentially no revenue. At this level of overhead it would need to quickly ramp up to annual sales of about $44 million just to break even with a gross margin of 50%. After 3 years no major electric motor manufacturers like ABB appear to be interested although several smaller companies are doing due diligence. Investors should do their own due diligence and certainly should be very cautious about relying on opinions of tamaracktop who was an advocate for XBC, PYR and, I believe, CMC.