Dionysos

Dionysos is a 1984 French comedy film directed by Jean Rouch, starring Jean Monod and Hélène Puiseux. It tells the story of an American drama teacher who after writing a thesis on Dionysus tries to combine Dionysian rites with the work at a car factory, in an attempt to create the world's first car built in joyous frenzy. The film competed at the 41st Venice International Film Festival. It was released in France on 3 December 1986.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.