1. Copernicus Institute of Sustainable Development; University of Utrecht; Heidelberglaan 2 3584 CS Utrecht The Netherlands
2. Current address: KWR; Groningenhaven 7 3430BB Nieuwegein The Netherlands
3. Current address: Faculty of Mechanical Engineering, Separation Process Laboratory; ETH Zürich; Sonneggstrasse 3 8092 Zürich Switzerland
4. Current address: Department of energy systems and services, section energy & industry; Delft university of technology; Jaffalaan 5 2628 BX Delft The Netherlands
5. Van't Hoff Institute for Molecular Sciences; University of Amsterdam; Science Park 904 1098XH Amsterdam The Netherlands
6. Energy Research Centre of the Netherlands; Policy Studies; Amsterdam The Netherlands
7. Johns Hopkins University; School of Advanced International Studies; Bologna Italy