The Hydrogeit Verlag was established in 2004 and has published several books about hydrogen, fuel cells, alternative fuels and renewable energies. Since 2006 it has also published the German magazine for hydrogen and fuel cells, HZwei. HZwei was the only technical literature in Germany and Europe on this topic to be published on a regular basis for years, and is well known throughout the European hydrogen and fuel cell community. 2015 started its translation H2-international – the e-journal on hydrogen and fuel cells.