Hystar is a Norwegian high-tech company specializing in the development and manufacturing of ultra-efficient Polymer Electrolyte Membrane (PEM) electrolyzers. Their patented technology uses a 90% thinner membrane to produce green hydrogen from renewable electricity and water with higher efficiency and increased output compared to conventional systems. The company aims to make green hydrogen more affordable and accessible for industries like energy, manufacturing, and heavy transport, supporting global decarbonization efforts.