crayon box
gasoline tips ♥
i got this in an email (forward) a couple of months ago & it's REALLY interesting, especially if you drive 24/7 like me. if anyone knows the source of this, that would be cool too!
Only buy or fill up your car or truck in the early morning when the ground temperature is still cold. Remember that all service stations have their storage tanks buried below the ground. The cooler the ground the more dense the gasoline, when it gets warmer, gasoline expands, so buying in the afternoon or in the evening... your gallon is not exactly a gallon. In the petroleum business, the pseicfiic gravity and the temperature of the gasoline, diesel, and jet fuel, ethanol and other petroleum products plays an important role. A 1-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're filling up do not squeeze the trigger of the nozel to a fast mode. If you look you will see that the trigger has three (3) stages: low, middle, and high. In slow mode you should be pumping on low speed, thereby minimizing the vapors that are created while you are pumping. All hoses at the pump have a vapor return. If you are pumping on the fast rate, some of the liquid that goes to your tank becomes vapor. Those vapors are being sucked up and back into the underground storage tanks o you're getting less worth for your money.
One o fthe most important tips is to fill up when your gas tank is HALF FULL/HALF EMPTY. The reason for this is, the more gas you have in your tank the less air occupying its empty space. Gasoline evaporates faster than you can imagine. Gasoline storage tanks have an internal floating roof. This roof serves as zero clearance between the gas and the atmosphere, so it minimizes the evaporation.
Another reminder: if there is a gasoline truck pumping into the storage tanks when you stop to buy gas, DO NOT fill up - most likely the gasoline is being stirred up as the gas is being delivered, and you might pick up some of the dirt that normally settles on the bottom.
Driving on hot days also helps reduce gasoline usage because the fuel vaporises better Thanks Steve!
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