Its only common sense. Use legislation to forcing these companies that build the charge network to a regulated standard. That way every charger will have common access and a simplified payment system. Just like USB phone charging, they will use whatever standard is approved by the EU.
Your USB statement is incorrect. The USB alliance, which most phone manufacturers are a part of determine the USB standard, those not part of the alliance choose which USB type they use, has nothing to do with the EU and everything to do with costs. Example, all USB types are ‘approved’ but it still comes down to what the manufacturer decides to use and therefore, no ‘standard’ exists but a choice of USB types does.
Humanity is only humanity when all are treated the same regardless of their skin tone, religious beliefs and geography!