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Cake day: June 13th, 2023

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  • From cooling the engine. When you are standing still and the engine is running it consumes about 1l/h. I just looked up some numbers for EVs: 100kWh battery, heating takes 1kW for every 10K temperature difference, so 3kWh in -10°C. Its higher if you use additional stuff like the heating for the seats. With 150kWh/100km consumption you lose 20km every hour you are in the heated car. I would say that’s a noticeable difference compared to no heating. I also checked how much an AC takes in summer and its about 1 to 2kW for 30°C.













  • Sorry, that was imprecise. The correct German term would be Energiewirtschaft, that can be translated to energy industry. That’s not only electricity, but also production of biogas, district heating, refining of fossil fuels and so on. The struggling departments from worst to slightly struggling are: -transportation: widespread use of fossil fuels -building: heating with fossil fuels and emissions from concrete -industry: high use of energy and no alternative to fossil fuels in some cases