ALD SA (ISIN FR0013258662) – Cheap growth stock or potential Diesel road kill ?

Background:
As mentioned a few days ago, ALD SA has been IPOed by parent SocGen on June 16th. SocGen sold ~23% of the stock and remains majority shareholder. The first question of course is: why did they do this ?
The official reason was the following:
The IPO confirms the strategic nature of ALD within Societe Generale group. It will allow ALD to accelerate its development and become a leader in a rapidly changing mobility space.