Here's one winter diesel fuel I know is used in Germany (though this page is speaking to the Austrian market): https://www.omv.com/en/news/omv-maxxmotion-best-w

Here's one winter diesel fuel I know is used in Germany (though this page is speaking to the Austrian market): https://www.omv.com/en/news/omv-maxxmotion-best-winter-diesel-fuel https://www.omv.com/en/news/omv-maxxmotion-best-winter-diese... It seems to include a "HVO bio component" (Hydrotreated Vegetable Oil).