This is so out If date it.<br>Cobalt is not being used in new batteries but still oil companies use it to clean fuel<br>The arguments you make are about mining practices, current battery technology and not EV,s don't mix them up.<br>All the metals can be recycled from used batteries once they have been mined. Of course fossil fuel is also sustainable once dug up but we have to wait a while for the planet recycle it, because we cant.