The production-ready supercar will be finished in 2019. At that stage grant assistance will stop but work will continue.
The Polestar 1 is a hybrid electric coupe set to go into production in mid-2019 at Volvo’s facilities in China, see details and specs in this article
2018 Alpine A110 - a brilliant, modern, retro-look sports car with a nice cabin, a great engine and superb build and features
Elon Musk has already confirmed that "two or three" additional factories will open in the US over the "next few years."