internal hub

Does anyone know about internal hub gears for mid-drive electric bikes? I hear Shimano recently have a new internal hub gear special for e-bikes . So previous Alfines or nexus 3 speeds are not good for e-bike ?

I have rejoined the forum and have been absent for a few years. I am looking for a Kalkhoff with an 8 speed internal hub. I own a 2010 pro connect with an alfine 8 and a 10 Ah battery. I can't seem to find a comparable pedelec here in the USA. I love the Kalkhoff but they seem very hard to...