It's still patent encumbered[1], NACS just gave the physical specification, and says "use CCS HLS". The Tesla-SC protocol is still a black box. I wonder if this is going to involve a rollout of logical CCS on existing SCs.
[1] Tesla's patent pledge is not even close to a grant and its "good faith" rules almost certainly exclude all current major automakers.
It defines good faith as never having done three things, or having an associated or related company do those things.
Those things are (roughly):
1. Having sued anyone over IP used in EVs, helped anyone due so, or had a financial stake in someone who does.
2. Challenged any patent held by Tesla, now or in the future; or had a stake in such a challenge.
3. Marketed or sold a "knock-off" of any tesla product, or providing material assistance to. Knock-off is defined a product that imitates or copies the design of a tesla product.
If I held stock in a big-three automaker when they sued a non-Tesla EV manufacturer over a patent, does that mean I am excluded? Sure looks like it.
Selling a J1772->Tesla-T adapter could also count, and because it's a "never has done" kind of thing, there is no concept of redemption.
[1] Tesla's patent pledge is not even close to a grant and its "good faith" rules almost certainly exclude all current major automakers.