International Congress PIAE Europe 2024 June 19-20, 2024, Mannheim, Germany : top topcis: exterior: solutions made from honeycomb sandwich material, natural fibers and recycled polypropylene; interior: use of additive manufacturing with sustainable materials, new PP foam technologies and recyclates; circular economy: impact of the ELV directive, mechanical and chemical recycling, securing raw materials; manufacturing processes: functionally integrated particle foam applications, overmolded electronics, finishing technologies; materials: upcycling for ABS, plastics for electromobility, use of wood and cellulose fibers