Fuel will last indefinitely as long as you do this. Fuel stabilizer works to stop this oxidation and chemical breakdown from happening. Storage conditions, the nature of the storage container, and the presence of any fuel stabilizers can greatly decrease or increase this shelf life. Some gas stabilizer manufacturers claim that gasoline stabilized with their product will last up to three years. Gasoline that is fresh out of the pump and stored properly will last anywhere between three months and six months depending on its ethanol content. I’ve read of preppers who keep some stored gas in a shed in cans, or in a tank, & use it in their vehicle(s) in 6 months/less – the idea is to have extra gas available if an emp hits. Also, that period is under ideal conditions, not the real world. This is a good option for … It is mixed into a full tank of gas to help make it last longer. All of my personal power equipment has Stabilized fuel in it.It has payed off. As a result, engines using old gas are significantly less efficient, which can cause problems for them that we’ll discuss in a bit. Gasoline has a short shelf life and will degrade and develop gummy resin deposits and layers of varnish. Probably not. To ensure that you always have fuel when you need it most, here’s our guide to everything you need to know about the shelf life of gasoline. This disperses the fuel stabilizer with gasoline and ensures that your tank is minimally exposed to air or water. When treated with fuel stabilizer, the life of diesel fuel can be extended beyond five years. UPDATE: The car that prompted this question ('96 Lincoln Mark VIII, parked for about 6-9 months without preparation) has started successfully. An unopened bottle of STA-BIL® Fuel Stabilizer will remain viable on the shelf for approximately two years because its exposure to oxygen has been limited in a factory sealed container when it is kept in a cool, dry place. ANNUALLY: Each year add more PRI-G or PRI-D to your fuel to keep it fresh. Gasoline and diesel fuel are perishable commodities, and that’s why fuel stabilizers matter. The shelf life of gasoline can be extended by adding a quality fuel stabilizer. https://www.quora.com/How-long-does-gasoline-last-in-a-sealed-container As far as shelf-life is concerned, the more ethanol the gas has the shorter the shelf life, whereas little or no ethanol will greatly extend shelf-life. Or Just Rotate Your Gasoline. approximately two years In reality, 3-6 months isn’t a particularly long shelf life for gas. Can you add gas stabilizer to … Are you aware you can purchase 100 octane gasoline at the Airport that not only does NOT have alcohol, but still has LEAD? The resulting mixture won’t work quite as well as fresh, new gas, but it will definitely get your motor turning assuming you don’t have some fussy highly tuned engine. Where you store your can also makes a difference, as areas of high humidity or temperature changes will promote condensation over an area that is temperature stable. How long will gas last as an accelerant? Your stored gasoline can last three to six months, if it is properly labeled, stored and sealed tightly in a secure plastic or metal container- of the required capacity recommended by your local fire department.It’s good to ask regarding the shelf life about stored gasoline. The PRI fuel stabilizer for gasoline … In fact, most gasoline in the US is what’s known as “E10,” which means that it is actually 10% ethanol. I have stored gasoline in 55 gal drums with STABL brand stabilizer for 3 years with no problems. It may have been sitting inside the gas pump for a month already before you came to fuel up. Bottom Line Keeping a car up-to-date with proper maintenance may not be difficult as many vehicle owners may think. Here’s how different types of containers affect the shelf life of your gas: It turns out that a gas tank is among the worst places to store your gas. The old gas, if it is not contaminated, should appear only a little bit darker then the new gasoline. All this talk about gasoline “going bad” is enough to make anyone wonder what actually happens if you use old gas. The thought that gasoline sitting in your car or in that jerry can you bought a while back could do some damage to your engine is a scary one, indeed. The hardest part is remembering to do it. That being said, adding a stabilizer to a container of old gas won’t magically restore it to full efficiency. Pure gas will sit well for slightly longer, but not by much, especially in humid locales. He says adding fuel stabilizer to the stored gasoline will help, but even that is not a cure-all over the long term. The first thing you will want to ensure is that you are running your tank on nearly empty. Well, ethanol is “hydrophilic” or “water-loving,” so it likes to absorb water vapor that’s sitting in the air around it. It’s very easy to forget to rotate your stock and only to find out that your reserve fuel is No good when you really need it. Diesel fuel can last twice as long, around six to twelve months. Your e-mail is 100% safe. It primarily depends on how long you are planning to store your premix or petrol. But, making a habit of leaving old gas in your car is a sure-fire way to reduce your vehicle’s lifespan or rack up costly repair bills. Thankfully, it’s fairly easy to tell if gasoline has gone bad. After 12 months, she returned, & her car ran fine. Make sure you understand the variables and eccentricities of storing gasoline if you plan on keeping any major quantity on hand. Old gas is generally dark in color and has a sour scent. In fact, higher ethanol fuels such as E85 work perfect for the task, and might be a little easier on the environment too. – I always buy Premium (93 Octane) for storage. For best results, opt for an ethanol-free type of gas. We have a 300gal farm gasoline tank (and another of diesel)(both open vented) I get filled about once a year to 18 months from the local farm Co-op (they send a truck out). Commentdocument.getElementById("comment").setAttribute( "id", "ac1247ebcc16e38770b72d10747ba834" );document.getElementById("fdf53b0143").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. Your email address will not be published. However, the higher the ethanol content, the quicker the gas will go bad. Fuel-stabilized gasoline keeps for one to three years. Typically, 5-10 minutes of active run time is more than enough to do this. Contamination is an issue depending on how it is stored, and what kind of container it is stored in. Normal ethanol shelf life is about 90-100 days. Fuel stabilizers are additives you mix into your gasoline prior to storage in order to slow down the oxidation process and prevent evaporation of those necessary combustive compounds that I mentioned. Higher ethanol content shortens lifespan, while purer gasoline will last longer. Your local fire department or waste management service will have good advice about where to go to dispose of your old gasoline properly. What you store gas in is just as important to its shelf life as the type of gas you’re using. That is rightly impressive, and something everyone should get familiar with especially if storing major quantities of gasoline is a significant part of your survival plan. This website is enrolled in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Storage conditions, the nature of the storage container, and the presence of any fuel stabilizers can greatly decrease or increase this shelf life. Not actually sure how long the drums would store, 6yrs is the oldest. BTW, the instructions mention that you can extend the gasoline's shelf life to 24 months by adding a double dose of Sta-Bil. The main enemies of diesel fuel storage are algae and water. To make matters worse, ethanol also attracts water readily which means any water that was already present in a container (to say nothing of humidity in the air) will contaminate the fuel with water. gas is used on my in-laws farm to power machines and as an accelerant to burn waste, like trash. Just add the stabilizer to your gasoline within a year, mix well and you’re ready for another year. Rather, a stabilizer is most effective when added to freshly pumped gas that you plan to keep properly stored in a container for many months. How long does gas stabilizer last? At least 12 months. Pay attention to the E-rating on your gasoline mixture because E15 or E20 will go bad even faster. Do fuel stabilizers really work? Depending on the brand and its capabilities along with the grade of gasoline that you are storing, mixing in the right fuel stabilizer to your gasoline can extend your shelf life all the way up to three years! However, the key is knowing what the shelf life of gasoline is so you can ensure that you always have quality gas on hand. Why? So it was kept at our place. It also does not separate like ethanol-blended gasoline does, making pure gasoline, if you can find it, your hands-down winner for long-term storage and stockpiling! Next, you’ll need to run the engine to allow the fuel stabilizer to reach the entire fuel system. How Long Can You Store Gasoline? Additionally, having old gas in storage that you then use to run a generator or your vehicle, could cause your engine to sputter or even fail to start. This also is why gasoline doesn’t last as long in this type of storage. Amount Needed: Add 1 oz. I have gas in my generated with Sta-Bil for at least 2 years. Run the vehicle. When kept in a cool, low-oxygen and low-humidity environment, ethanol-blended gas can last up to 3 months while pure gas can stay good for up to 6 months. I will never SPAM you. If you are sure the only thing wrong with your store gasoline is that it is well past its expiry date don’t be afraid to mix in some fresh gasoline if you want to recoup a little bit of your investment and avoid waste. Average gasoline you obtain from a gas pump will last anywhere from three to six months depending on its age and ethanol content. Every 2-4 weeks, I’d start it & let it idle in our driveway and/or drive it around our neighborhood, but never added gas to the tank. Since ethanol is added to most gasoline available, the fact that ethanol is hydrophilic (is essentially sucks water out of the air), means that gasoline with ethanol may have a shorter life as it becomes contaminated with water and other moisture. I added stabilizer to the gas. Gasoline has a shelf-life. If you want your stabilizer to have a greater effect, you should mix it with new gasoline. Ethanol-blended gas will start to degrade inside your gas tank within just 1 month. That being said, old gas can cause the following issues: If you let ethanol-blended gas sit in your car for two months, it isn’t the end of the world. – For the Same reason if Possible Keep it in a location that you frequent with some regularity and can see those tags, it will help keep you on top of the game. However, some stored gasoline can be good. Plus, pure gas can last upwards of 6 months if stored properly in a sealed container. Understanding these many variables is absolutely essential for making sure your gasoline does not go bad leaving you stranded or out of power when you need it the most. But, storing fuel is tricky because gas can go bad and cause problems for your engine. Ironically, even though gasoline is made from fossil fuels, which have been on Earth for millions of years, it does “go bad” surprisingly quickly. About 3- 5 months in a sealed container, or 6 - 8 months with fuel stabilizer added. I know the fuel stabizer when added to gasoline lasts for 12 months, but how long does the actual stabilizer last? Required fields are marked *. Depending on the product, the stabilizer can increase gasoline shelf life to between one and three years. When gas separates and vaporizes, it becomes much less combustible. The shelf life of gasoline infused with a fuel stabilizer will depend on the product you choose. How long will gasoline last? Depending on the product, the stabilizer can increase gasoline shelf life to between one and three years. You could save on gasoline expenses by … Is there anything you can do to extend the shelf-life? The reason these numbers are so broad is that it’s hard to tell how old the gas actually is. As a result, the gas becomes less combustible and “goes bad.”. Considering it is absolutely essential for powering the vast majority of automobiles, smaller vehicles, generators and power tools this is prudent. What I Did To Prep This Week: August 16th – August 22nd 2020, What I Did To Prep This Week: August 23rd – August 29th 2020. The way I look at it is that the Extra Octane level allows for longer storage while still remaining viable, and most generators etc. In fact, properly stored, ethanol-blended gas can often last longer than improperly stored pure gas. For the most part, E10 ethanol-blended gasoline will last only about 3 months. There are a few tricks for getting the most out of fuel stabilizer, namely it should only be added in precise ratios which means you’ll need to do accurate measuring of both your fuel and the stabilizer to ensure the mixture is proper. However, there have been a few lucky owners who were able to use gasoline as old as one year. Why does this matter? I may not need to but I’ve had no problems with degradation or performance. After you have added a fuel stabilizer to your tank, you can expect your gas to last for up to a year. What causes this, and what can be done to prevent or remedy the issue? Lucky for us these fuel stabilizers really do work and are almost a necessity for efficient long-term storage.