BERLIN, GERMANY - MAY 16: Bins filled with recycled steel, glass, plastic and aluminium that will go into the manufacturing of Audi passenger cars stand on display at the 2024 Greentech Festival on May 16, 2024 in Berlin, Germany. The Greentech Festival is a mix of trade fair and conference bringing together companies and initiatives in the green technology sector. (Photo by Sean Gallup/Getty Images)