Guest comment by Graham Weale, Ruhr University Bochum
"More transparency about heating costs is urgently needed".
This translation was created with the help of DeepL, a machine translation service based on neural networks, known for high quality and accurate translations. Hence, we perform only little editing on our side to make sure everything is understandable. However, we do not take any reponsibility for the translation. You may refer to the original version of the article or contact us if you encounter a translation of minor quality.