Clever Mom

It can last up to a couple of years with a stabilizer. At 20 celsius fuel in a container with a broken seal lasts six months.

Does Fuel Go Off Old Fuel And Fuel Storage Questions Answered

It can last between three and six months.

How long does petrol last in a can. Posted march 22 2015. Generally speaking petrol has a shelf life of six months if stored in a sealed container at 20 degrees or just three months if kept at 30 degrees. Gasoline may still lose its combustibility and degrade over time as it oxidates and loses some of its volatility.

The main ways the gasoline can become unusable are polymerization of olefins oxidation of the gasoline components photochemical reactions and hydroscopic absorption of water due to ethanol. 4 used to be fine after 3 and more years apparently. Changing weather is the only thing that kills petrol.

Rather than have to remember to rotate your reserve you might want to consider buying a bit of petrol stabilizer to the reserve. This is an anti oxident that will greatly slow the deterioration. It s not loss of octane as much as the varnish deposits which can clog injectors etc.

I m told that unleaded is techincally good for 3 to 6 months which in reality seems to mean that after 18 months you may well be stuffed. For complete protection and safety you may be required to label your gasoline containers. At 30 celsius it lasts three months.

I have first hand experience of this. If petrol is last in a clean and airtight jerry can with a little oxygen and is periodically stirred it will last a very long time. Once you ve put fuel in a container you only have a few months before the quality starts to fall away even less if the fuel is contaminated in any way.

Cycling the environment from hot and humid to cool and dry will allow moisture in and vapors out. Especially nasty for carbs. Pure gasoline keeps for at least six months.

About 2 months seriously. Gasoline can be safely kept in a fuel tank for three months at most and only a month in one of those gas cans that can be bought at the store. The ethanol bollox means more probs for some depending on how old fuel line materials.

Petroleum based gasoline without any ethanol will still succumb to oxidation and volatile compound evaporation in a sealed container or tank but these. How long does petrol last in a jerry can. When using the right fuel container petrol can last up to one year so long as the jerry can remains properly sealed.