While the proportion of fossil fuels as main global energy sources for aluminium production has grown in recent years due to China’s increased market share as a producer, Iceland’s importance remains as a producer of renewable energy.
Hlutfall jarðefnaeldsneytis sem orkugjafa á heimsvísu hefur vaxið undanfarið ár með aukinni álframleiðslu í Kína, þar sem raforka er gjarnan framleidd í kolaorkuverum.