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Very Long Fuel Storage???

01/05/2011 9:17 AM

I did a brief search of CR4 and didn't come up with an answer to my question so I figured I'd post it. Sorry if its a repeat.

Since I'm bored during the winter months, I've been watching a lot of movies about the world after the apocalypse. They raised a question in my head.

They main character pumps gasoline out of a storage tank that has been sitting for years and uses it in his car. Assuming no contaminants like water leaked into the tank just the gasoline sitting there for a long period of time.

How long would the gasoline be useful? Would diesel last longer than gasoline?

Gasoline stored in my gas cans in the garage loses its quality quickly unless treated beforehand. So I figured fuel stored in storage tanks would lose its strength also but due to amounts would last longer but not indefinitely.

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#1

Re: Very Long Fuel Storage???

01/05/2011 11:54 AM

Although gasoline does not technically "spoil", its quality does deteriorate when it is stored for extended periods. Most refiners assume that from the time gasoline is manufactured until the time it is used in a vehicle will be about 90 days. Various gasoline characteristics are based on this assumption. There are basically three areas of concern when gasoline is stored for extended periods. They are stability volatility, and moisture.

Gasoline Stability

Gasoline oxidizes while in storage. When gasoline is stored for extended periods of time, this oxidation results in gasoline that will create gummy deposits in the fuel induction system. Severe cases can even result in fuel filter plugging.

In those instances where gasoline is stored for extended periods, such as private fleet storage, fuel stabilizers should be added. Fuel stabilizers extend the storage life of gasoline and reduce its tendency to cause induction system deposits. An appropriate additive package should be available from the fuel supplier.

Read the rest at http://www.avalonpetroleum.com/gasstorage.htm

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#6
In reply to #1

Re: Very Long Fuel Storage???

01/06/2011 9:24 AM

I'm off to the naughty step.

1/3 or less. /13 or less. 1/3 or less.

1/3 or less. /13 or less. 1/3 or less.

1/3 or less. /13 or less. 1/3 or less.

1/3 or less. /13 or less. 1/3 or less.

1/3 or less. /13 or less. 1/3 or less.

1/3 or less. /13 or less. 1/3 or less.

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Engineering Fields - Marine Engineering - New Member

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#2

Re: Very Long Fuel Storage???

01/05/2011 10:49 PM

Diesel or distillate doesn't last that long before the quality of the fuel deteriorates.

Up until the mid seventies the recommended life of distillate was 3 years...........then, because the fuel refineries were doing it it hard for a dollar (nod, nod, wink, wink), they had been working out how to get more product from the crude oil.

Enter catalytic cracking, and a few other operations. Now a problem arises........over 99% of the catalyst can be recovered.........but the small amount left (catalytic fines) cause problems with distillate, particularly in the presence of water.

The recommended shelf life of distillate is now 12 months ashore and 6 months for marine use.

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#3

Re: Very Long Fuel Storage???

01/05/2011 10:53 PM

That was TV and movie gas. It will do that. It comes from the same company that sells pistols with a 10 round capacity that shoots 600 times before reloading and take down a bad guy at 1,000 yards with a single shot with a one handed grip.

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#4
In reply to #3

Re: Very Long Fuel Storage???

01/06/2011 6:32 AM

Now you tell me. I've been trying to find one of those guns that never need reloading since I was a kid. Never could find one.

Thanks for the confirmation of what I thought would really happen with the gasoline and diesel fuels.

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#5
In reply to #4

Re: Very Long Fuel Storage???

01/06/2011 9:13 AM

More bad news, Candy Land isn't a real country!!!!

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#7

Re: Very Long Fuel Storage???

01/06/2011 10:05 AM

Gasolines oxidize with time and exposure to air to form gums. Gums can cause damage to your engine. After the Refiing process there additives such as atioxidants that reduce gum formation in storage. The gum formation tendency depend on the type of crude used to produce the gasoline and he type of process employed to make the gasoline. Gasoline can last for a long period of time depending of these factors and the storage tank conditions.

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#8

Re: Very Long Fuel Storage???

01/06/2011 10:57 AM

Had a friend with a '72 Olds in his garage for 4 years ('02-'06), and he'd left 1/2 tank of gas in it that whole time (Chicago area, I would assume winters make the situation worse for the gas). It started after only charging the battery. I was shocked.

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Participant

Join Date: Jan 2011
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#10
In reply to #8

Re: Very Long Fuel Storage???

01/07/2011 4:48 AM

I live in Baja California in Mexico in Mexicali Valley. I've seen what the months of July and August can to the gasoline... and I think that it'll not be easy to find useful fuel close to this valley after a apocalypse.

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#9

Re: Very Long Fuel Storage???

01/06/2011 5:01 PM

you are looking in the wrong direction, sulphuric acid keeps in glass almost indefinitely, so does lead,learn how to make batteries, and place some solar panels and inverters in storage, store some dry batteries also(dry as in wet cell batteries that have never been filled you can buy them) then when the shit hits the fan you will have power.

for fuel for a vehicle i built the first car 25 years ago that ran without petrol on a petrol engine,(i did not invent the technology i only perfected one similar that almost did that already existed) though it is not environmentally friendly, so cannot be posted as the forests of the world as you know it within months, however will email it to you on request but can never be posted. if the world is destroyed then there would be no harm with the industrial pollution gone (request only applies to the original author scotch drinker)

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#11

Re: Very Long Fuel Storage???

01/10/2011 3:55 AM

Forget long term fuel storage, why not use a wood gassifier? Unless all of the forests are gone you should be able to find something to "roast" and create all the fuel that you need.

Might not be the most convenient way to run a car but it works!

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#12
In reply to #11

Re: Very Long Fuel Storage???

01/10/2011 4:38 AM

Ahha!.........Ye olde charcoal burner..........basically pyrolyzates from burning wood used to fuel the car.

The charcoal burner is on the front of the truck on the left

A typical charcoal burner for a truck or car

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#13

Re: Very Long Fuel Storage???

01/10/2011 4:17 PM

I'm curious about what happens during and after distillation that causes fuel to gum up and spoil? Crude can sit in the ground for millions of years but once distilled above ground it starts deteriorating over the course of months. Stabilizers keep it usable for about 24 months. Would keeping it in temperature controlled, oxygen and light free containment help? Sort of like a wine cellar?

Is their a conspiracy? Do the suppliers add stuff to make it go bad so consumers can't buy in bulk when prices are low? Some would guess fuel prices will see $5+ a gallon in the US within the next few years again. If it lasted forever, it may be beneficial investing in fuel, not fuel suppliers?

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