Envion's a giant cirus joke that cost $7 million or more and who knows how much staff for the mega operation that's painfully inefficient. According to this link, Envion has a pathetic yield, last than half of JBII's:
Compare the outputs. JBII's output is 90% high grade diesel....and they can process at a rate of a Ton in about 5 minutes when the reaction 'takes off'. Nobody else has JBIIE's catalyst....and that makes all the difference.