Hydrogen: A Future Fuel for Aviation?
https://www.rolandberger.com/en/Publications/Hydrogen-A-future-fuel-of-aviation.html
Envisaging the New Normal
https://www.rolandberger.com/en/Publications/Envisaging-the-new-normal.html
Energy from Waste: A New Perspective
https://www.rolandberger.com/de/Publications/Energy-from-Waste-A-New-Perspective.html