1. The European green deal, COM (2019) 640,2019
2. REGULATION (EC) No 79/2009 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 14 January 2009 on type-approval of hydrogen-powered motor vehicles, and amending Directive 2007/46/EC.
3. EU 406/2010, Type-approval of hydrogen-powered motor vehicles - Commission Regulation (EU) No 406/2010 of 26 April 2010 implementing Regulation (EC) No 79/2009 of the European Parliament and of the Council on type-approval of hydrogen-powered motor vehicles.
4. United Nations Regulation No. 134 Uniform provisions concerning the type-approval of motor vehicles and their components with regard to the safety-related performance of hydrogen-fuelled vehicles, ECE/TRANS/WP.29/2014/78, 25 June,2015
5. Addendum 13: global technical regulation No. 13, Global technical regulation on hydrogen and fuel cell vehicles ECE/TRANS/180/Add.13, 19 July,2013