States Hydrogen Policy Alternative fuel Biobased economy Energy development Fuel Cells and Hydrogen Joint Technology Initiative HOPE Curriculum (Hydrogen Outreach
Resources Canada, April 2007. Zyga, Lisa (2006-12-11:15-44). "Why A HydrogenEconomy Doesn't Make Sense". Physorg.com web site. Physorg.com. สืบค้นเมื่อ
2014-06-20. The Japan Times: Whether Tepco fails or not, it’s taxpayers’ tab "Hydrogen levels continue rising at Reactor No. 2 — Now above .50%, highest in months
transportation Greenhouse gas emissions in the USA Global Atmosphere Watch HydrogenEconomy| List of countries by greenhouse gas emissions per capital Massachusetts