[ 1 ] Sasaki K, Li HW, Hayashi A, Yamabe J, Ogura T, Lyth S, editors. Hydrogen energy engineering: a Japanese perspective. Tokyo: Springer Japan; 2016.

[ 2 ] World energy network [Internet]. Kawasaki: New Energy and Industrial Technology Development Organization (NEDO); c1998–2003 [cited 2020 Oct 20]. Available from: https://www.enaa.or.jp/WE-NET/index.html. link1

[ 3 ] Basic hydrogen strategy [Internet]. Tokyo: Ministry of Economy, Trade and Industry; 2017 Dec 26 [cited 2020 Oct 20]. Available from: https://www.meti. go.jp/english/press/2017/pdf/1226_003a.pdf. link1

[ 4 ] Challenges for Japan’s energy transition—basic hydrogen strategy [Internet]. Tokyo: Ministry of Economy, Trade and Industry; 2019 Oct [cited 2020 Oct 20]. Available from: https://www.nedo.go.jp/content/100899750.pdf. link1

[ 5 ] Nagashima M. Japan’s hydrogen society ambition: 2020 status and perspectives. Paris: French Institute of International Relations; 2020.

[ 6 ] Hydrogen energy navi [Internet]. Kawasaki: New Energy and Industrial Technology Development Organization; c2020 [cited 2020 Oct 20]. Available from: http://hydrogen-navi.jp/en/index.html. link1

[ 7 ] Japan H2 mobility [Internet]. Tokyo: Japan Hydrogen Station Network Joint Company; 2019 Apr [cited 2020 Oct 20]. Available from: https://www.jhym.co. jp/en/nav-about/. link1

[ 8 ] Projects for the creation of hydrogen society [Internet]. Tokyo: Ministry of the Environment, Government of Japan; [cited 2020 Oct 20]. Adapted from: https:// www.env.go.jp/seisaku/list/ondanka_saisei/lowcarbon-h2-sc/ PDF/suisoshakai_pamphlet_eng_1126_2.pdf. link1

[ 9 ] Giant leap towards a hydrogen society [Internet]. Tokyo: the Government of Japan; c2020 [cited 2020 Oct 20] Available form: https://www.japan.go. jp/tomodachi/2020/earlysummer2020/hydrogen.html. link1