Under CopyrightMandel, TimTimMandelKranzl, LukasLukasKranzlThomas, SamuelSamuelThomas2022-08-192022-08-192022https://doi.org/10.24406/publica-235https://publica.fraunhofer.de/handle/publica/419885https://doi.org/10.24406/publica-23510.24406/publica-235enEnergy Efficiency First and Multiple Impacts: integrating two concepts for decision-making in the EU energy systemreport