1. Simultaneous use of black, green, and white certificate systems;Amundsen;Energy J.,2018
2. The role of power-to-gas and carbon capture technologies in cross-sector decarbonisation strategies;Berger;Electr. Power Syst. Res.,2020
3. Greening electricity more than necessary: on the cost implications of overlapping regulation in EU climate policy;Böhringer;Schmollers Jahr.,2011
4. Brauer, J., Villavicencio, M., Trüby, J., Unpublished results. Green hydrogen – How grey can it be? Robert Schuman Cent. Adv. Stud. Res. Pap. No RSC 202244 42.
5. Technology Data;Danish Energy Agency,2021