With my previous post on when is the best time to fuel your vechicle, i received an email today on petrol saving tips, the tips is really useful and i will share it out. Let’s starts save our energy and money together…
1. Fill up your car or truck in the
morning when the temperature is still cool. Remember that all service
stations have their storage tanks buried below ground; and the colder
the ground, the denser the gasoline. When it gets warmer gasoline
expands, so if you’re filling up in the afternoon or in the evening,
what should be a gallon is not exactly a gallon. In the petroleum
business, the specific gravity and temperature of the fuel (gasoline,
diesel, jet fuel, ethanol and other petroleum products) are significant.
Every truckload that we load is temperature-compensated so that the
indicated gallonage is actually the amount pumped. A one-degree rise in
temperature is a big deal for businesses, but service stations don’t
have temperature compensation at their pumps.
2. If a tanker truck is filling the
station’s tank at the time you want to buy gas, do not fill up; most
likely dirt and sludge in the tank is being stirred up when gas is being
delivered, and you might be transferring that dirt from the bottom of
their tank into your car’s tank.
3. Fill up when your gas tank is
half-full (or half-empty), because the more gas you have in your tank
the less air there is and gasoline evaporates rapidly, especially when
it’s warm. (Gasoline storage tanks have an internal floating ‘roof’
membrane to act as a barrier between the gas and the atmosphere, thereby
minimizing evaporation.)
4. If you look at the trigger you’ll see
that it has three delivery settings: slow, medium and high. When you’re
filling up do not squeeze the trigger of the nozzle to the high setting.
You should be pumping at the slow setting, thereby minimizing vapors
created while you are pumping. Hoses at the pump are corrugated; the
corrugations act as a return path for vapor recovery from gas that
already has been metered. If you are pumping at the high setting, the
agitated gasoline contains more vapor, which is being sucked back into
the underground tank, so you’re getting less gas for your money.
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