I use the Mastercraft stabilizer from Canadian Tire and store gas for about 1 year. At the 1 year mark, I dump it into the vehicles and replace it with stabilizer...
No issues so far.

I use a fuel stabilizer /// rotate out every 12 months as well /// works fine /// I have heard second hand that you can retreat the fuel, but have never tried this

Keep Safe - 23rd

My gasoline container swells like a balloon in my shed on hot days. I'm wondering if that is dangerous. I'm not sure where I could keep it so that it wouldn't get so hot.

Martha,

I wondered the same thing. So I cut one up. THEY ARE THICK. VERY Thick. I don't recommend leaving it in a hot area, but they are definitely robust.

Preppersaurus

Gasoline contains lots of volatile elements and they need to be there for it to work well. If your gas can is swelling that's a good sign that the can is sealing properly and keeping those easily evaporated elements where they belong.
In addition, if the gas can was not sealed well you would be introducing moisture into it.
Keep the lid on tight and let it swell.

Try to avoid storing gas with a high percentage of ethanol, it absorbs water. As much as you can, store full containers with the least air.

How can you know if the gas is "fresh"? Does it look different when it's not?

How can you know if the gas is "fresh"? Does it look different when it's not?

Ms. Pearl /// I do believe that you will find the linked article will take care of any Q's you may have

http://autos.aol.com/article/does-gas-go-bad/

Keep Safe - 23rd

Thank you Twenty3rd - now I know 🙂

There is a fuel called Alkylate Petrol that can be stored for over 5 years , it is expensive . I have used it at seven years and it works perfectly.There are several manufacturers and it is available in most cities in Canada .

Aviation gas stores for years, but good luck getting someone to sell you some. I as well rotate my stored gas every 6 to 12 months, whenever i remember.
I just removed 200l of gas out of a boat that had be sitting for several years. I could not dispose of it easily so i just mixed it with good stuff and put it in my truck. Seemed ok but it did run rough for a bit and my engine light did come on but it has since gone out - yay! Free gas!

Wonder of Octane Boost would work on the rough running engine? If it did, it could be a valuable commodity.

Preppersaurus

Aviation gas stores for years, but good luck getting someone to sell you some. I as well rotate my stored gas every 6 to 12 months, whenever i remember.

Any small airport should be able to sell you 100LL. I know of some people with fancy cars going to buy some in Jerry cans for their ride. The smaller the airport, the better... There are airports in BC where you just serve yourself, swiping your Visa or MasterCard. Not sure if this is still the case, but Chiliwack, and Revelstoke were like that, I'm sure there are more.

With that said, I'm not sure if the statement "stores for years" is valid. Maybe longer than regular 87 octane, but I would still look at rotating it annually, maybe 2 yr top.

I add stabil to mine and rotate them every year

Gasoline is primarily a mixture of two volatile liquids, heptane and isooctane. Pure heptane, a lighter fuel, burns so quickly that it produces a great amount of knocking in an engine. Pure isooctane evaporates slowly and produces virtually no knocking. The ratio of heptane to isooctane is measured by the octane rating. The greater the percentage of isooctane, the less knocking and the higher the octane rating. For example, an octane rating of 87 is comparable to a mixture of 87% isooctane and 13% heptane.

failing this if in a bind you can add tolune or white camp fuel known as methanol. this is not suggested unless dire as it can damage engine

and for god sakes mix it well before you use it dont dump into gas tank and start the engine