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Theoretically yes. The reason is that with less space in the top of the tank, there is less room for evaporation of the fuel in the tank, so you have less fuel turning to vapor in the tank. At least that is the theory.

No, the amount of fuel in the tank has almost no effect on fuel mileage. If anything the more fuel you are carrying around the more weight you are carrying around which will actually lower fuel mileage. Gasoline weighs about 8 pounds per gallon. But that little bit of extra weight is really meaningless. As to evaporation it is not a factor as the fuel system is sealed and any evaporation is miniscule. It is beneficial to fill your tank once it gets to 1/4 full. There are two reasons for this. Air contains moisture the more air in the fuel tank the more moisture in the fuel tank. Secondly the fuel pump uses the fuel to help cool itself. The less fuel the more chance the fuel pump will overheat which will shorten it's life.

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โˆ™ 2013-02-17 15:41:42
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Q: Do you get better gas mileage if you fill up the tank?
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Do you get better gas mileage when you fill up your tank?

no if anything it is worse because of the added weight


How big would a gas tank have to be for better gas mileage?

The size of the gas tank generally has relatively little impact on gas mileage in most vehicles. To the extent that it does, the smaller the better (a larger tank weighs more and therefore requires more energy to move).


How do you figure miles per gallon?

Start with a full tank of gas. Note the mileage on the odometer. When it's time to fill up, note the ending mileage and the number of gallons it takes to refill the gas tank. Subtract the ending mileage from the beginning mileage to determine how many miles you went on that tank of gas. Divide that number of miles by the number of gallons it took to fill the tank.Example:Starting mileage: 12,000Ending mileage: 12,360Total miles driven on tank: 360Gallons of gas to refill tank: 14So, 360/14 = 25.7 miles per gallon


How can i find out my auto gas mileage?

Just write down the mileage when you fill up your car and drive until you need gas again. Note the mileage at that fill-up, subtract from the previous mileage and divide by the gallons of gas to fill up.


What is the formula to figure the gas mileage of your car?

Fill the tank and set trip meter to zero. The next time you fill your tank divide the number on the trip meter by the fuel purchased = fuel consumption.


How can you figure out how many mpg for 92 Lexus sc300?

Fill up your tank with gas and mark down your mileage, drive until you need gas again and fill up. Mark down your mileage along with how many gallons you put in. Subtract the latest mileage from the first mileage you wrote down and then divide the gallons put in.


How do you figure out miles per gallon?

Fill your gas tank to the top and write down your mileage (save it). Drive you car until you have about 1/4 of a tank of gas left. At the pump write down your mileage and fill your tank up to the top again. Subtract your start mileage from your finish mileage. Take the number of miles you drove and divide it by how many gallons of gas it took to refill your tank to the top. This will tell you how many miles you get to a gallon of gas. Example: Beginning mileage; 90,000 miles - Finish mileage; 95,200 miles Gallons used; 20 gallons 95,200 -90,000 ------------- 200 miles 200 miles divided by 20 gallons = 10 miles to the gallon


How much does it cost to fill a gas tank in a van?

The cost to fill a gas tank in a van will depend on the rice of gas. The higher the price of gas, the more it will cost to fill the gas tank. You will need to know how many gallons it takes to fill the tank and the price per gallon of fuel. You do the math.


What is the gas mileage for a 88 Full Size Ford Bronco?

depends on the motor trans and tires, fill up the gas tank all the way, write down your mileage and drive normal till your next fill up, then divide the number of miles you drove by the number of gallons it takes to fill back up on your second fill up. this gives you your miles per gallon, for that tank of gas, to get a true number do this a few times and average out you findings


You feel mileage has been altered how do you check?

Fill your car's tank all the way full. Drive an exact number of miles. Fill your car's tank again and note how much gas was required to refill it. Divide the number of miles you drove by the number of gallons of gas. For example, if you filled your tank and drove 15 miles and then refilled your tank by adding .5 gallons of gas, you mileage would be 15 divided by .5 = 30 miles/gallon.


How many miles per gallon does my car do?

You can figure this out with simple mathematics. First fill your tank and drive the car until you have to fill up again. Keep a record of the miles you drove on the first tank of gas. Refill the tank and divide the amount of gallons put in the tank the last time into the miles you drove and you will have your gas mileage.


How do you find out how many mpg your car gets?

Go to the gas station and fill up the fuel tank.Record the mileage, before even pulling away from the pump. We will call this Mileage A.Drive normally until the tank is less than half full.Fill up the tank again (preferably at the same station using the same pump as pumps may be calibrated differently). This time, pay attention to how many gallons it takes to fill up the tank. This is usually shown at the pump.Record the mileage again, just like before. We will call this Mileage B.Subtract Mileage A from Mileage B. This will give you the number of miles you drove since your last fill-up.Divide your by the number of gallons it took to fill up your tank. This will give you your car's MPG.


How many miles to gallon of gas for Ford?

Depends on what kind of Ford. Regular cars tend to have a better MPG than trucks.To find your MPG write down the mileage on your car at the time of your fill up. When you fill up with gas the next time write that mileage down. Subtract the two numbers and then divide it by the number of gallons you put in the tank. That will give you your MPG.


Do you get more mileage on a full tank of gas?

No


How do you get better gas mileage for a tsx?

for any car to get better gas mileage get a better flowing intake and/or exhaust or get it tuned


How many miles per gallon a gmc w 5500 5.2 l get?

That depends on how it's ben taken care of, a way to find out is to trip the odometer when you fill the gas tank (do not top the tank off), next time you put gas in the tank, fill it up (do not top the tank off) divide the mileage by the gas used, do this at least 3 times to get your average mpg.


What is a filling tank?

you fill gas in it


Do you get better gas mileage with ac on or windows open?

This was answered on an episode of Mythbusters, you get better gas mileage with the AC on.


How much urine does it take to fill a gas tank?

Depends on the size of the gas tank. Example it would take 5 gallons to fill a 5 gallon tank.


How do you use dimensional analysis when your looking for the gas mileage of a vehicle?

Don't know about dimensional analysis but do know that it is simple to find the gas mileage of any vehicle through a little research. Just type the year, & model of the car and specs in a search engine and you will find the gas mileage. Want to figure it on a car you are driving, then just fill the tank, derive it until it is 1/4 full, fill the tank, and divide the miles driven by the gallons it took to fill it up. It is not rocket science of dimensional analysis, just common sense.


Why can't I fill up gas tank when still empty?

I do not understan your question. You cannot fill up an empty gas tank? Is that what you are saying?


Do diesel trucks get better gas mileage than regular gas trucks?

Yes, diesel trucks generally get much better gas mileage than regular gas trucks. They even sometimes get better gas mileage than hybrid trucks.


When your gas gauge does not work how can you tell how much gas is in the tank?

What I would do is fill the gas tank all the way up. Note the cost of the fuel and the amount of gallons it took to fill it. Clear your trip meter so that it is on zero. then run the vehicle for a day or two (depending on how far you drive each day) then refill the tank , note the mileage that you had travelled and divide the mileage that you had gone into the number of gallons it took to fill the vehicle the second time. You now have a estimate of the miles per gallon. Just keep track of the miles you have driven after that.


What products can be used to track a truck's mileage effectively?

If you want to know how to track your truck's gas mileage in an effective manner, a device used to do this is your odometer. It comes standard in all cars. You reset it every time you fill up your tank to find out how many miles per gallon or per tank of gas you get.


What is the gas mileage and size of the gas tank for the 1996 Ford Explorer XLT?

My experience tells me the ga mileage is between 12 -14 MPG and the tank is 21 gals.