It was designed by VW I think, who handed it over to other car companies so there could be a universal connector.
The reason it's bigger is because it supports 3-phase power, which NACS does not. 3-phase power is a big thing in Europe.
The reason it's bigger is because it supports 3-phase power, which NACS does not. 3-phase power is a big thing in Europe.
But I kind of doubt it will go anywhere when they've been forcing CCS2 on everyone.