More to compete with Tesla really. I mean Toyota are committed to FCEV over BEV - if only hydrogen didn't cost more to fill up than petrol does on the Prius.. Toyota works to develop advanced electric-car battery| Reuters
they are coming out with a bev, and i'm sure everyone is working to develop an advanced electric car battery. even tesla! oh wait, that's what the article says!
and Toyota will be in standing still phase for the introduction of the BEVs, while still making tons of Hybrid's platform vehicles that are becoming their everyday fresh bread.