I am not the best person to
I am not the best person to answer the question on how discounts transfer, but my impression is that the Chevy dealers' discounts apply to any customer. The state rebate is separate from those. It's a funny market. On the one hand, I hear shoppers constantly complaining that inventory is terrible and it is hard to find BEVs in stock. On the other hand, Chevy is offering massive discounts on Bolts and even Tesla is offering discounts now. I know because they offered me one. I think both are possible. Inventory in some areas is relatively high, and in other regions, almost non-existent. That HOV thing sounds horrible to me. Almost like you are paying for access. Very un-democratic IMHO.