An aerial view shows the chemical plants of the UPM Biorefining & Technology the Leuna Chemical Park near Leuna on November 14, 2025. Finnish materials group UPM unveiled a refinery in the east German state of Saxony-Anhalt in the summer, taking a big risk on a 1.3 billion euro project ($1.5 billion) at a difficult time for the German chemicals sector. (Photo by JENS SCHLUETER / AFP via Getty Images) / TO GO WITH AFP STORY

A part of the chemical plants of the UPM Biorefining & Technology the Leuna Chemical Park near Leuna is pictured on November 14, 2025. Finnish materials group UPM unveiled a refinery in the east German state of Saxony-Anhalt in the summer, taking a big risk on a 1.3 billion euro project ($1.5 billion) at a difficult time for the German chemicals sector. (Photo by JENS SCHLUETER / AFP via Getty Images) / TO GO WITH AFP STORY

A part of the chemical plants of the UPM Biorefining & Technology the Leuna Chemical Park near Leuna is pictured on November 14, 2025. Finnish materials group UPM unveiled a refinery in the east German state of Saxony-Anhalt in the summer, taking a big risk on a 1.3 billion euro project ($1.5 billion) at a difficult time for the German chemicals sector. (Photo by JENS SCHLUETER / AFP via Getty Images) / TO GO WITH AFP STORY

Harald Dialer, Executive Vice President Technology of UPM Biorefining & Technology stands with a jar with RRF (reniable functionelle fillers) and a jar with the end product monoethylene glycolin (MEG) in the front of the chemical plants of the UPM Biorefining & Technology in the Leuna Chemical Park near Leuna on November 14, 2025. Finnish materials group UPM unveiled a refinery in the east German state of Saxony-Anhalt in the summer, taking a big risk on a 1.3 billion euro project ($1.5 billion) at a difficult time for the German chemicals sector. (Photo by JENS SCHLUETER / AFP via Getty Images) / TO GO WITH AFP STORY

Harald Dialer, Executive Vice President Technology of UPM Biorefining & Technology stands in the front of the chemical plants of the UPM Biorefining & Technology in the Leuna Chemical Park near Leuna on November 14, 2025. Finnish materials group UPM unveiled a refinery in the east German state of Saxony-Anhalt in the summer, taking a big risk on a 1.3 billion euro project ($1.5 billion) at a difficult time for the German chemicals sector. (Photo by JENS SCHLUETER / AFP via Getty Images) / TO GO WITH AFP STORY

Harald Dialer, Executive Vice President Technology of UPM Biorefining & Technology stands in the front of the chemical plants of the UPM Biorefining & Technology in the Leuna Chemical Park near Leuna on November 14, 2025. Finnish materials group UPM unveiled a refinery in the east German state of Saxony-Anhalt in the summer, taking a big risk on a 1.3 billion euro project ($1.5 billion) at a difficult time for the German chemicals sector. (Photo by JENS SCHLUETER / AFP via Getty Images) / TO GO WITH AFP STORY

A part of the chemical plants of the UPM Biorefining & Technology the Leuna Chemical Park near Leuna is pictured on November 14, 2025. Finnish materials group UPM unveiled a refinery in the east German state of Saxony-Anhalt in the summer, taking a big risk on a 1.3 billion euro project ($1.5 billion) at a difficult time for the German chemicals sector. (Photo by JENS SCHLUETER / AFP via Getty Images) / TO GO WITH AFP STORY

The logo of the chemical plants of the UPM Biorefining & Technology the Leuna Chemical Park near Leuna is pictured on November 14, 2025. Finnish materials group UPM unveiled a refinery in the east German state of Saxony-Anhalt in the summer, taking a big risk on a 1.3 billion euro project ($1.5 billion) at a difficult time for the German chemicals sector. (Photo by JENS SCHLUETER / AFP via Getty Images) / TO GO WITH AFP STORY