Hopefully, any CCS-1 car will be able to get a J3400 adapter. Tesla continues to add charging lanes, 16, 250 kW, lanes coming online in Florence AL. I won't have to use the nearby, more expensive, dual lane, 63 kW, ChargePoint.
This morning, my car was the only one at an 8 lane, 250 kW, SuperCharger station, $7.50. Later, I used a dual lane, ChargePoint charger at a Shell station, 1/2 mile (0.8 km) from the restaurant, to top off, $0.51/kWh to 80%, $2.50 . . . and take a bathroom break. As I was disconnecting, another CCS-1 car arrived.
Thanks to the topping charge, I ran two errands before plugging in at home and taking a nap. So roughly $10 for about a 250 mile trip at full highway speeds and AC when the temps were above 80 F.
Best of all, I never charged more than 80% which helps to extend the battery life of my 5 year old Tesla.
Bob Wilson.