I don't know of the laws in various countries, but this already happens on major purchases here in the UK - flights, holidays etc. You will be charged a surcha

I don't know of the laws in various countries, but this already happens on major purchases here in the UK - flights, holidays etc. You will be charged a surcharge for using a credit card, or a fixed fee. Eg £4.50 for a CC, free for a debit card.