When Coldplay stepped out in front of a packed Wembley Stadium last year, the power for the lights illuminating their screaming fans came from old electric car batteries. The band had collected used BMW i3 batteries for its world tour, to spread a message that is now being heard across automotive boardrooms: nothing should go to waste.
While batteries are at the heart of the auto industry’s attempts to cut emissions, they also present a significant headache.
Churning out emissions while mining battery materials and then processing them in the manufacturing stage runs against the industry’s drive to become more “circular”.
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