Everyone is switching to formula E. Pretty much every other form of factory sponsored internal combustion racing is now irrelevant from a marketing point of view.

Porsche set to compete in Formula E from Season 6

Nissan joins growing list of automotive brands in Formula E

https://insideevs.com/bmw-formula-e-2018/

Ferrari Hints Again About Joining Formula E - The Drive

__________________
CENSORED due to not family friendly words