BYD (but not only) is heavily subsidised by chinese government.
https://www.euronews.com/my-europe/2024/06/13/what-brussels-...
https://www.ifw-kiel.de/publications/news/chinas-massive-sub...
https://www.euronews.com/my-europe/2024/06/13/what-brussels-...
https://www.ifw-kiel.de/publications/news/chinas-massive-sub...
The same tax credit applies to qualifying vehicles bought from any automaker. This has nothing to do with Tesla.
> the bigger one is the carbon regulatory credits
Again, every qualifying automaker can do exactly the same thing.
That amounts to $1k per vehicle, way less than EU or US subsidies.
https://electrek.co/2024/04/12/china-gave-byd-an-incredible-...