1. The Future of Hydrogen (International Energy Agency, 2019); https://www.iea.org/reports/the-future-of-hydrogenExtensive study prepared for the G20 in Japan on the status of hydrogen in the global energy system and key near-term opportunities for rapidly expanding hydrogen use.
2. Road Map to a US Hydrogen Economy (Fuel Cell and Hydrogen Energy Association, 2019); http://www.fchea.org/us-hydrogen-study
3. Hydrogen Economy Outlook (BloombergNEF, 2020); https://data.bloomberglp.com/professional/sites/24/BNEF-Hydrogen-Economy-Outlook-Key-Messages-30-Mar-2020.pdf
4. Hydrogen Roadmap Europe (Fuel Cells and Hydrogen Joint Undertaking, 2019); https://www.fch.europa.eu/
5. Carr, J. Chinese Fuel Cell Industry Developments (Fuel Cell and Hydrogen Energy Association Newsletter, 2019); http://www.fchea.org/in-transition/2019/2/4/chinese-fuel-cell-industry-developments