FILE PHOTO: A view of heating pumps in a production line at the plant of German gas heating manufacturer Viessmann in Allendorf, Germany, August 9, 2022. REUTERS/Fabian Bimmer/File Photo
FILE PHOTO: A view of heating pumps in a production line at the plant of German gas heating manufacturer Viessmann in Allendorf, Germany, August 9, 2022. REUTERS/Fabian Bimmer/File Photo