Just started to get interested in this stock and have really...

Just started to get interested in this stock and have really enjoyed the rolling battle between Sdaji and the rest! I haven't done a great deal of research on this, but it appears to be great technology which goes somewhere to solving CO2 emissions/ carbon tax issues, and producing a renewable fuel.
But what I can't get a sense of is whether the technology is proven, reliable, and repeatable? If it is, then I assume the major constraints are industry acceptance and access to capital to build facilities?