Funding for this research was provided by:
Bundesamt für Energie (SI/501562-01)
Swiss Competence Center for Energy Research (SCCER) Efficient Technologies and Systems for Mobility, funded by Innosuisse
Received: 5 July 2019
Accepted: 8 March 2020
First Online: 7 May 2020
: The authors declare that they have no competing interests.