Driving up to the gas station by car, you probably choose the column, the hose of which is located on the side of the opening of your gas tank. Some cars have it on the right, while others have it on the left.
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Sometimes this can cause inconvenience. For example, on one side of the gas station, a whole line of cars will line up, while the other side will be empty. It is not clear what prevented automakers from agreeing and coming to a single standard at one time? Obviously, there are no fundamental restrictions that prevent you from placing the gas tank neck on the right or left. So what causes these discrepancies?
Why is there a gas tank on a car on both the left and right sides?
European automakers with left-hand drive models traditionally place the neck on the right. This is easily explained by the refueling process itself – in this position, the driver does not risk hitting the gas station with the door. Yes, and fuel vapor through an open, but as far away door as possible, will slowly penetrate into the cabin. If refueling is carried out from a canister, on the side of the road, then the neck located on the right will somewhat secure this process – the driver will not have to stand on the roadway.
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It is logical that exactly the same reasons are the reason for the location of the hole on the left side of the body of right-hand drive Asian cars. But if you start driving a right-hand drive car on a right-hand drive road or, conversely, on a left-hand drive car on a left-hand drive, then the convenience associated with the location of the neck will disappear.
And some Asian automakers supply left-hand drive cars to foreign markets, on which the neck is located on the left. And there is a logical explanation for this. Reworking the base model will entail additional expenses, and there is not much point in this – hardly anyone chooses a car based solely on the location of the gas tank neck. In rare cases, the gas cap is placed in its place purely for design reasons, but this exception only emphasizes the universal rule.