| Notes | 'Australia could leverage its abundant renewable power, providing a strategic advantage for building out more green alumina production. The process would replace the natural gas used to generate high-pressure steam with compressors that would capture waste vapor to generate heat. Such compressors would be powered by renewable energy supplied from a power grid. Last month, Alcoa received a government grant to test the technology at scale at its Wagerup refinery in Western Australia by the end of 2023. (Burton, 2021)\n - vanessadiehl'
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