Electric vehiclesJapanese automaker confirms performance ahead of planned mass productionThe Nissan Leaf electric vehicle is seen on display at a showroom in Tokyo. (Photo by Marina Inoue)HAJIME MATSUMOTOApril 21, 2026 01:10 JSTTOKYO -- Nissan Motor has achieved performance targets with a prototype of an all-solid-state battery pack for electric vehicles, putting the Japanese automaker closer to planned mass production in fiscal 2028.