SEOUL -- Discord is being revealed within alliances between big U.S. automakers and top South Korean battery manufacturers as the carmakers accelerate their electric vehicle push while the battery producers look to safeguard their key technologies.
Carmakers, power cell manufacturers in technology-sharing tug of war

SK On has an automotive battery plant in the U.S., which it operates as a joint venture with Ford. (Photo courtesy of the company)
SEOUL -- Discord is being revealed within alliances between big U.S. automakers and top South Korean battery manufacturers as the carmakers accelerate their electric vehicle push while the battery producers look to safeguard their key technologies.