FCA / PSA Group, Fiat Chrysler, GM, Volkswagen are buying ZEV credits from Tesla, but there are so many fully electric cars coming to mass market in 2022 (like F-150) that the ZEV revenue for Tesla dries up fast.
Tesla's Regulatory Credit Revenue Will Rise Again In 2021 https://insideevs.com/news/482452/tesla-revenue-emissions-cr...
Tesla is selling electric car credits to Volkswagen in China https://electrek.co/2021/04/01/tesla-selling-electric-car-cr...