Four important car safety tips when refueling

1. Do not buy or fill your car with fuel until the early hours of the morning when the earth's temperature is at its lowest. Remember that gas stations bury their tanks underground, and the lower the ground temperature, the greater the density of fuel, and vice versa. The higher the temperature, the more the fuel expands, so if you buy fuel in the afternoon or evening, the liter you buy is not a full liter.
In the field of petroleum business, partial density and temperature of fuel, diesel, jet fuel, ethanol or other fuel products play a large role. The increase in temperature by one degree has a significant impact and an important matter in this work is calculated and equated, but ordinary gas stations do not have measures to equalize the temperature differences in their pumps.

2. When filling, the pump hand does not press at the maximum speed, and as you can see, there are three degrees of pumping speed in the pump hand.. 'slow.. medium.. and fast'. By filling at a slow speed, you reduce the vapors that form during pumping. The benefit of this is that all fuel injection hoses contain the feature of trapping and retrieving the vapors rising during filling, and pumping the fuel quickly will turn more fuel into steam that will be drawn and returned to the main fuel tank underground, and in the end you will find that you did not get the full amount of fuel purchased .

3. Fill your fuel tank when it is half empty.. The reason is that the fuel evaporates faster than one imagines, and the less air is in the fuel tank, the less the amount of evaporating fuel.. That's why you find that giant fuel tanks in storage stations have ceilings Floating floats on the surface of the fuel, eliminating the vacuum between the tank cap and the fuel and reducing evaporation.
In contrast to regular gas stations, all fuel tanks that are filled from the main stations are equalized for the temperature differences in them so that the filled quantity is correct.

4. If there is a fuel tank that is unloading its cargo at the station you intend to fill from, do not fill it at the same time, because the process of emptying the tank into the tanks of the ground station will lead to the overturning of the dirt deposited at the bottom of the tank and some of it entering your car tank, which may cause damage to it.