Filed under Green Tech BioButanol Market May Set New Growth Story: Gevo, Butamax, Green Biologics, Cobalt … Published by on November 28, 2020 … market as Gevo, Butamax, Green Biologics, Cobalt Technologies, Solvay, Butyl Fuel, Celanese, BASF, Eastman, Dow, Cathay Industrial Biotech.