Here you will find information on the EU Regulation
Actual fuel savings and road safety depend to a large extent on one's own driving style. Fuel consumption can be significantly reduced by driving in an environmentally friendly manner. Tyre pressure must be checked regularly to improve fuel efficiency and wet grip. Stopping distances must always be observed.
Ice tyres are designed for road surfaces with a layer of ice or a solid snow cover and should only be used in very difficult weather conditions (e.g. low temperatures). The use of ice tyres in less difficult weather conditions (e.g. wet or warmer temperatures), especially with regard to wet grip, handling and wear, may result in suboptimal performance.