Ford Motor Co. and its Korean battery partner are getting a divorce.

SK On said Thursday it's made an agreement with the Dearborn automaker to exit their electric vehicle battery joint venture that had invested $11.4 billion into Kentucky and Tennessee. It's another sign of the dissipation of EV momentum in the United States as it becomes clear consumer demand isn't where the industry had expected it would be and the Trump administration follows through on campaign promises to dismantle what the president called an "EV mandate."

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