Vienna, 22 November 2023 - The European Hydrogen Backbone (EHB) initiative, an association of European energy transmission system operators, is driving forward the expansion of the hydrogen infrastructure in Europe. As part of its new report, the EHB initiative has published an updated H2 roadmap. This provides an overview of current cross-border hydrogen projects and cost estimates, including the forward-looking initiatives of Gas Connect Austria (GCA) and Trans Austria Gasleitung GmbH (TAG).