1. Hoeven M (ed) (2015) Technology roadmap: hydrogen and fuel cells. OECD/IEA, Paris
2. Brown D (2016) US and world hydrogen production - 2014. Pacific Northwest National Laboratory, CryoGas International.
https://www.gasworld.com/us-and-world-hydrogen-production-2014/2010029.article
3. Global Market for Hydrogen Fuel Cell Vehicles (2016) Information Trends. Washington, DC, USA
http://informationtrends.net/press-release---fuel-cell-vehicles.html
. Accessed Aug 2017
4. Liu W, Cui Y, Du X, Zhang Z, Chao Z, Deng Y (2016) High efficiency hydrogen evolution from native biomass electrolysis. Energy Env Sci 9(2):467–472.
https://doi.org/10.1039/C5EE03019F
5. Nakamura BJ, Narayanan SR, Valdez TI, Chun W (2002) Making hydrogen by electrolysis of methanol. NASA Tech Brief 26(6) from JPL NEW TECHNOLOGY REPORT NPO− 19948