According to transportation experts, the gas tank needs a space for vapor and gasoline expansion. Regularly filling up the tank can damage the car. When the tank is full, the vapor recovery system cannot function properly.
Filling up the tank does not increase the efficiency of the car but adds weight to the vehicle, resulting in higher fuel consumption.
Furthermore, the gas tank is designed with a pump nozzle that automatically shuts off when the fuel reaches the appropriate level. Excess fuel is then sucked back into the fuel reservoir using a small tube.
Therefore, filling up the tank can cost more money than the actual amount of fuel being pumped.
Additionally, when the tank is overfilled, gasoline can overflow and cause a fire if exposed to a spark, especially on hot sunny days.
Filling up the gas tank can damage the car. (Photo illustration: Công Hiếu)
When heated, gasoline expands. Therefore, having too much fuel inside the tank creates unnecessary pressure on the fuel container of the car. Nowadays, some car manufacturers have designed gas tanks with activated carbon filters to reduce vapor emissions by collecting and returning them to the combustion chamber.
Overfilling the tank prevents this system from functioning properly and can damage the activated carbon filter as it has to suck up the liquid. Filling up the gas tank also restricts the air space in the tank for vaporization, potentially causing damage to the components.
An overfilled activated carbon filter can create excessive pressure on the fuel combustion system. As a result, you may need to replace engine components or even the entire engine.
Filling up the tank can cause gasoline to spill out, which then evaporates and reacts with sunlight to create smoke. This smoke layer is harmful to the ozone layer, the protective layer that shields the earth from harmful UV rays. Inhaling this smoke is also detrimental to human health.
If the tank is overfilled, excess gas will spill onto the surface of the car, affecting the paint job. Over time, if the car is not properly cleaned, yellow stains will appear around the fuel tank opening, making it difficult to clean and diminishing the aesthetic appeal of the vehicle.
According to vtc.vn
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