I saw this article in Electrek. Apparently VW might have to recall about 124,000 electric and PHEV cars due to them containing poisonous cadmium. It doesn't sound like a health risk to those of us driving them, but it might be a problem if/when these cars are disposed of at a future date.
https://electrek.co/2018/08/06/electric-hybrid-cars-vw-audi-porsche-recall-cadmium/
https://electrek.co/2018/08/06/electric-hybrid-cars-vw-audi-porsche-recall-cadmium/