In terms of the availability of commercial propylene glycol, Oleon, which is an oleochemical company, collaborated with BASF to establish a manufacturing plant to produce bio-1,2-PD from glycerol in Ertvelde, Belgium in 2012. Oleon is the first company to produce commercial bio-1,2-PD worldwide. This company claimed that the glycerol-based process operated at the Ertvelde site requires fewer production steps than hydrolysis does; as a con-sequence, the competency of Oleon has increased [59]. In addition, the hydrogenolysis of USP/technical-grade glycerol has been commercialized by Archer Daniels Midland (ADM) [67].