On September 8, 2022, an international seminar was held at Chalmers University of Technology, Gothenburg, where results from the Interreg-project Green Valleys was presented. In the project Danish and Swedish partners have developed new technology and system concepts for green biorefineries. The seminar involves researchers and representatives from the EU commission, Danish Ministry of Environment, and the Swedish Energy Agency. The seminar ends with a discussion of policy actions for accelerated implementation of biorefinery systems in Denmark and Sweden.