Ford and the battery supplier SK Innovation on Thursday announced a joint venture, called BlueOvalSK, that will manufacture battery cells and arrays in the U.S. for future electric vehicles. The joint venture will produce 60 gigawatt-hours of cells annually by the middle of the decade, the companies said, with the potential to expand the business…Ford and the battery supplier SK Innovation on Thursday announced a joint venture, called BlueOvalSK, that will manufacture battery cells and arrays in the U.S. for future electric vehicles. The joint venture will produce 60 gigawatt-hours of cells annually by the middle of the decade, the companies said, with the potential to expand the business…Ford and the battery supplier SK Innovation on Thursday announced a joint venture, called BlueOvalSK, that will manufacture battery cells and arrays in the U.S. for future electric vehicles. The joint venture will produce 60 gigawatt-hours of cells annually by the middle of the decade, the companies said, with the potential to expand the business…Ford and the battery supplier SK Innovation on Thursday announced a joint venture, called BlueOvalSK, that will manufacture battery cells and arrays in the U.S. for future electric vehicles. The joint venture will produce 60 gigawatt-hours of cells annually by the middle of the decade, the companies said, with the potential to expand the business…