Azbar N.Levin D.B.2021-05-032021-05-03201997804446404759780444640468https://doi.org/10.1016/B978-0-444-64046-8.00381-5https://hdl.handle.net/11454/70959Hydrogen production methods include thermochemical, physicochemical, and biological processes. In contrast to thermo- and physicochemical processes, biological processes offer great potential for sustainable, renewable hydrogen production. In this chapter, hydrogen production by light-driven photobiological and anaerobic dark fermentation processes is discussed. © 2019 Elsevier B.V. All rights reserved.en10.1016/B978-0-444-64046-8.00381-5info:eu-repo/semantics/closedAccessBiohydrogenDark fermentationHydrogen economyLight fermentationPhotoheterotrophicBook Chapter5325442-s2.0-85079534129N/A