TESLA may come knocking
Tesla's new batteries may be harder on the environment than you think
https://www.theguardian.com/vital-signs/2015/jun/10/tesla-batteries-environment-lithium-elon-musk-powerwall
But even as Tesla’s batteries promise to reduce tailpipe emissions, more direct environmental concerns surround the current boom in lithium-ion batteries. As hundreds of thousands more of these batteries hit the market, the problems that come with lithium mining, battery lifecycles and recycling loom large.