**Table 1.** Advantages and disadvantages of CBP [63].

Some pioneering companies that use CBP to produce lignocellulosic ethanol are the American companies Qteros and Mascoma, who used the microorganism *C. phytofermentans*, registered as Q Microbe® (Marlborough, MA, USA). In 2014 Mascoma was acquired by the Canadian company Lallemand and all its assets, and currently continues to work in the production of advanced biofuels [55].
