4 ms·Unfortunately most of the world's hydrogen is made from mixing fossil fuels with super heated steam.by syntaxing 8y agoUnfortunately most of the world's hydrogen is made from mixing fossil fuels with super heated steam.varjag 8y agoThere are pathways to produce hydrogen fully carbon neutral, if more energy intensive. There are none for jet fuel.jacobush 8y agoThere are ways; http://www.cortusenergy.com/newsarchive.html http://www.cortusenergy.com/newsarchive.htmlvarjag 8y agoVery cool. I stand corrected.