You're right. A key sentence from the second link I posted: > the embodied energy (all the energy used to make the material) for aluminium is 211 GJ per tonne

You're right. A key sentence from the second link I posted: > the embodied energy (all the energy used to make the material) for aluminium is 211 GJ per tonne, compared to 22.7 GJ per tonne for steel.