Number of all policy instruments targeting Promotion of Investment (including those targeting Production, Usage, and Transport and Storage) distributed by the different subcategory types: grants/subsidies, tax incentives public procurement, regulatory instruments, and other instruments). Accordingly, this graph includes all instruments that promote investment in either production, usage, or transport and storage as portrayed by the specific instrument they target.

Number of policy instruments in the hydrogen sector by instrument type. The R&D category entails those instruments promoting hydrogen research and development either through tax incentives or grants/subsidies; the Investment category comprehends those instruments promoting the investment in hydrogen production, usage, and/or transport and storage infrastructure; International Initiatives entail the instruments that have an international component i.e. treaties, accords, diplomatic activities, investments made by the Government abroad; Economy-wide instruments refer to non-sector-specific policies that provide a relative advantage to climate-friendly products and economic activities; Network/cluster promotion encompasses those policy instruments focused on building regional clusters and/or networks; Education and information entail the instruments to increase public awareness related to hydrogen; Voluntary agreements refer to those agreements made with private entities to take certain actions without an enforcement mechanism by the government.