THyGA - Overview of Relevant Existing Certification Experience and On-going Standardization Activities in the EU and Elsewhere Related to Gas Appliances Using H2NG

This 2nd deliverable from WP4 gives an overview of relevant existing certification experience, on-going standardization activities and field trials in the European Union and other countries, regarding gas appliances using H2NG. It gives a picture of the today’s situation as many of the identified initiatives are ongoing and progressing continuously.