The same outlet (Bloomberg)that brought you the story about Graphite pollution from China is now reporting that the Automaker will rely on “locally sourced” raw materials to fuel its Gigafactory plant.

Tesla Motors Inc. (TSLA), the electric vehicle maker co-founded by Elon Musk, plans to use only raw materials sourced in North America for its proposed $5 billion U.S. battery factory.

The Silicon Valley company won’t look overseas for the graphite, cobalt and other materials needed for its so-called Gigafactory, said Liz Jarvis-Shean, a spokeswoman.

“It will enable us to establish a supply chain that is local and focused on minimizing environmental impact while significantly reducing battery cost,” she said in an e-mail.

There are a lot of smaller materials that could be sourced internationally (like rare earths from China for instance) but the bulk of the materials can easily be found in N. America including Litium from a working mine in NEvada and another deposit in Wyoming.

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