However, when driving at higher speeds, especially above 80 kilometers per hour, it is advisable to keep the windows closed and turn on the air conditioning. In this case, it is essential to avoid opening the windows in order to concentrate the fresh air in the vehicle and avoid waste.
If you open the windows with the air conditioning on and the car is traveling above 80 kilometers per hour, resistance is created which has a negative impact on fuel consumption. Numerous tests have shown that you can save up to 35 euros per tank of fuel on a long distance journey by using the window trick.
Tips for saving on consumption
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