Ceres make SteelCell right?
SteelCell generates power from ethanol, hydrogen and biogas…
Edit: says so on their website?
https://www.cerespower.com/work-with-our-steelcell/our-steelcell-technology/
And here:
https://www.google.com/amp/s/www.proactiveinvestors.co.uk/companies/amp/news/906402