They manufacture and sell the buses in Canada… There are BYD buses in operation in at least Toronto, Victoria, Longeuil, St. Albert and Grand Prairie (and probably more by now). https://en.byd.com/news/byd-opens-first-canadian-bus-assembly-plant/ If you’re in Montreal, there’s a decent chance you’ll see BYD E6 taxis.
There’s been rumors of the cars being prepped for general sale in Canada… but I can’t find any proof of that right now.
Hmmm… Infineon has been doing work with graphene semiconductors for years. Something seems a bit off with this article.