The world's largest EV-battery maker was just added to a Pentagon blacklist. Here's what it means.

CATL is the world's largest battery manufacturer, with a market share of about 37%.

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• A key Tesla supplier said it may take legal action over a designation as a Chinese military company.
• CATL, the world's largest battery company, was added to the Pentagon blacklist on Monday.
• It's unlikely to affect CATL much but could lay the groundwork for more sanctions under Trump.

A key Tesla supplier slammed the US government's...