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Money saving fuel tips
I got this through my door today from the army:
A message from someone who works in the petroluem industry:
Only fill up your car or bike in the morning when the ground temperature is still cold. All service stations have thier fuel tanks buried below the ground. The colder the ground, the denser the fuel. When it gets warmer petrol expands, so buying in the afternoon or in the evening - you are not getting exactly a litre.
In the petroleum business the specific gravity and the temperature of the petrol, diesel and jet fuel, ethanol and other petroleum products play an important role. A one degree rise in temperature is a big deal for this business. But the service stations do not have temperature compensation at the pumps.
When you are filling up do not squeeze the trigger on the pump to fast mode: If you look you will see that the trigger has 3 stages - low, middle and high. In slow mode you should be pumping at a low speed, thereby minimizing the vapours that are created while you are pumping. All hoses at the pump have a vapour return. If you are pumping on the fast rate, some of the liquid that goes in your tank becomes vapour. Those vapours are being sucked up and back into the storage tank underground so you're getting less worth for your money.
One of the most important tips is to fill up when your tank is half full. The reason for this is the more fuel you have in your tank, the less air occupying its empty space. Petrol evaporates faster that you can imagine. Petroleum staorage tanks have an internal floating roof. The roof serves as zero clearence between the petrol and the atmosphere, so it minimizes evaporation.
When you stop to buy and there is a fuel truck pumping the delivery of petrol do not fill up as the underground tank is being stirred up and you may get some dirt or debris in your tank.
Hope these little tips are of some use to some of you:cool:
A message from someone who works in the petroluem industry:
Only fill up your car or bike in the morning when the ground temperature is still cold. All service stations have thier fuel tanks buried below the ground. The colder the ground, the denser the fuel. When it gets warmer petrol expands, so buying in the afternoon or in the evening - you are not getting exactly a litre.
In the petroleum business the specific gravity and the temperature of the petrol, diesel and jet fuel, ethanol and other petroleum products play an important role. A one degree rise in temperature is a big deal for this business. But the service stations do not have temperature compensation at the pumps.
When you are filling up do not squeeze the trigger on the pump to fast mode: If you look you will see that the trigger has 3 stages - low, middle and high. In slow mode you should be pumping at a low speed, thereby minimizing the vapours that are created while you are pumping. All hoses at the pump have a vapour return. If you are pumping on the fast rate, some of the liquid that goes in your tank becomes vapour. Those vapours are being sucked up and back into the storage tank underground so you're getting less worth for your money.
One of the most important tips is to fill up when your tank is half full. The reason for this is the more fuel you have in your tank, the less air occupying its empty space. Petrol evaporates faster that you can imagine. Petroleum staorage tanks have an internal floating roof. The roof serves as zero clearence between the petrol and the atmosphere, so it minimizes evaporation.
When you stop to buy and there is a fuel truck pumping the delivery of petrol do not fill up as the underground tank is being stirred up and you may get some dirt or debris in your tank.
Hope these little tips are of some use to some of you:cool:
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