When gas stations advertise $3.69 in giant numbers over the highway, and only when you pull off the highway and into the station do you see $3.79 for credit car

When gas stations advertise $3.69 in giant numbers over the highway, and only when you pull off the highway and into the station do you see $3.79 for credit card or $3.89/$3.99 for plus/premium, I do view that as a card tax. Maybe the CC companies don't, but as a consumer, that's how it feels.