On aluminum, the author says: > “renewables” cannot provide the stable current and carbon atoms needed to make the process possible This is untrue. Iceland has a huge aluminum industry, using mainly geothermal power: https://energytransition.org/2023/03/geothermal-iceland-this... Iceland alone accounts for 1/10th of global aluminum production! https://www.riotinto.com/en/operations/iceland/isal You do need constant,…
The energy (electricity) they use to smelt aluminium mainly comes from hydropower, around 70% of it. The geothermal boreholes are mainly used for district heating, which is quite a big energy drain in Iceland. And that means that geothermal is the source of around 65% of the energy used in Iceland.