I would rather use a process that uses more abundant elements and can be used to (re)produce electricity directly without burning: https://news.ycombinator.com/

I would rather use a process that uses more abundant elements and can be used to (re)produce electricity directly without burning: https://news.ycombinator.com/item?id=37548917 https://news.ycombinator.com/item?id=37548917 Generally, it is a good idea to lower the temperature needed to produce your fuel as that usually is just waste heat. Melting iron oxides needs very high temperatures which makes everything more complex.