German Refueling Style Can Save Money: The Cheapest Time of Day to Visit the Pump

Drivers in Germany can potentially save money on fuel by adopting the "German style" of refueling, which involves filling up during cooler times of the day. Experts suggest that refueling early in the morning or late at night, when temperatures are lower, can lead to savings of up to 10 cents per liter, according to German automobile club ADAC.

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When it's colder, gasoline or diesel are denser, which means that for the same paid literage, the actual amount of energy you get can be slightly higher.

This phenomenon is rooted in physics: fuel becomes denser in colder temperatures. Consequently, a liter of denser fuel contains slightly more energy. While the difference per fill-up might seem small, regular adherence to this practice can result in significant cumulative savings over time.

However, the article notes that fuel is stored in underground tanks with relatively stable temperatures, so the variations between morning and afternoon are not extreme. Beyond timing, other money-saving tips include combining refueling with other errands to avoid separate trips and minimizing time spent idling in traffic lines at gas stations, as this wastes fuel.

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The difference in price can reach up to 10 cents per liter under certain conditions.

Additionally, drivers are advised to stop fueling once the pump clicks off, indicating a full tank. Continuing to overfill can lead to spillage and wasted money, as the extra fuel won't properly enter the tank.

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The sound means your tank is full.