Importantly and most notably, the environmentally friendly hydrogen electrolysis method makes use of significantly less h2o than all major electrical power production methods besides geothermal. Carbon emission targets in the eu Union as well as other industrialized countries would require substantial scaling-up and acceleration of renewable hydrogen output and imports. https://industrialpemelectrolysis56666.bloggazza.com/35908137/the-basic-principles-of-pem-electrolysis