If you're going to do a video on Tesla's environmental impact you should at least mention their annual environmental impact report. Pages 99-115 go over their battery supply chain.<br><br>Your quote from Elon about Nickle being the most important in their supply chain is outdated, they now consider Lithium the primary bottleneck as they've stopped using Nickle in their mass market vehicles. Cobalt is only used in the Plaid Model S/X. As for Lithium, no information is out yet but they've been hinting at building their own lithium mines and refining facilities local to where they build vehicles.