Anode technology that releases oxygen instead of CO2, removing most direct smelting emissions. In industrial pilots (ELYSIS and others); not yet bulk-commercial.
From our guide: Decarbonizing Aluminium — full context, charts and sources there.
Boilers, kilns, heat exchangers, valves and steam lines lose energy continuously. Inzonex makes patented (UK GB2508992.1) removable modular insulation — snap-fastened covers engineered per temperature tier, not generic off-the-shelf jackets: