Industrial Zone Logistics (Civ6)

Industrial Zone Logistics is a project in Civilization VI. It becomes available after building an Industrial Zone district (or one of its replacements).
This project organizes infrastructural work in the city with the expertise of the engineers from the Industrial Zone, converting 15% of its output to . When completed, it yields points equal to approximately 22% of the invested in it (on Standard speed).
In Gathering Storm, this project provides the city with full instead of - something arguably much more useful, since there are many other possible sources of . The is provided at the beginning of any turn on which the project is underway.