Development of innovative green composite materials and prefabricated elements for passive/low-energy houses and modular construction that will contribute to the NUTS2 region of Pannonian Croatia, RLV Green Growth, PN Clean and green technologies and eco-friendly products, the topic "Innovative solutions for energy efficiency" under the S3 thematic area "Adapted and innovative wood products" with the aim of developing products that have a negative Global Warming Potential - GWP, which is actually a positive impact on the environment.