Doesn't matter which continent it was on, they still ordered them.

Amazon has acquired the rights to buy up to 23% of Plug Power and Walmart has agreed to buy 19%. Amazons involvement is to give it control over technology its competitors use, the same strategy they employed with Amazon Web Service.

Automated warehousing is here now, and it doesn't suit the vast majority of users. And at any rate, many of the AGV's in these automated warehouses will need lithium or hydrogen power anyway.