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Can You Mix Ethanol And Non Ethanol Gas In Car?

Have you ever wondered whether can you mix ethanol and non ethanol gas in car? Sometimes, you may think of using a different gas type in your vehicle, especially when that’s the only option you have. Ethanol-free fuel and ethanol-blended biofuel are the two most popular petrol today. However, they have different properties, advantages, and disadvantages. The premium blending properties of two gasses do not cause any kind of great danger for your car engines. But, it’s important to make sure the balance of ethanol for your engine. 

Mixing fuels is a common practice among automobile owners. Blending multiple fuels impacts the ease of grinding fuel. It also allows you to deal with the shortage of fuel more efficiently and affordably. But many people still seem to be confused about the mixture of ethanol and non-ethanol gas in cars. So, if you’re wondering about the question of whether can you mix the two gases in your engine then refer to this article.

Can You Mix Ethanol And Non Ethanol Gas In Car?

The answer is “Yes” you can mix ethanol and non-ethanol gas in a car’s gas tank. Ethanol and non-ethanol gas are two different types of fuel; however, they are perfectly compatible. In fact, most cars use a blend of 15% ethanol in E15 and ethanol-free gas. The percentage of ethanol can go up to 85% for E85. Mixing ethanol and non-ethanol gas in cars is absolutely fine. This is a widely used method. Because as much as we’d love to use non-ethanol gas, they are not available everywhere.

You can mix ethanol and non-ethanol gas in your car without any worry. In fact, most commercial fuels are generally a mix of different types of fuel. Most regular fuels are a mix of ethanol and gasoline. So you do not have to worry about the functionality of your car after mixing the gas.

Your car will work just fine after you have mixed ethanol and non-ethanol gas. In fact, it is often preferred as mixing gas will help you better the grinding power of the fuel in the engine. As a result, your car will function even better. Mixing gas will help you reduce the cost of the gas well. You will be able to buy a mix of affordable and costly gas, reducing the cost of gas. Otherwise, if you had to buy costly gas at a stretch, you would have to break your bank.

What Is Ethanol And Non-Ethanol Gas?

Ethanol and non-ethanol gas are simply different types of fuel that can be used in vehicles. However, there is a great contemplation about whether you can substitute one for the other. Therefore, it is important to find out what ethanol and nonethanol gas are and why they are different.

Ethanol Gas:-

Ethanol gas is a fuel type manufactured from corn and a couple of other plant materials. It is a renewable type of fuel, and it has a wide range of use, especially across the United States. Most regular gasoline partly consists of about a 10% ethanol blend with 90% gasoline.

The ethanol content in regular gasoline helps to ensure complete combustion of the fuel as the engine runs. The complete burning of fuel happens as the ethanol oxygenates the gas in the combustion process. Most equipment owners use ethanol gas in machines like lawnmowers, chainsaws, trimmers, etc.

Non-Ethanol Gas:-

Non-ethanol is fondly referred to as pure oil. This is pretty different from regular gasoline, which contains around 10% ethanol. Due to the absence of ethanol in this fuel type, it offers a couple of advantages, like improved gas mileage, reduced harm to vehicle engines, and shelf life of up to 6 months, etc. Besides its use in vehicles, non-ethanol gas is best for outdoor equipment like a lawnmower, trimmer, chainsaw, etc.

What Happens If We Mix Ethanol And Non-Ethanol Gas In Car?

By mixing both ethanol and non-ethanol gas in the gas tank of your car engine. Although your car may run perfectly fine a few occurrences you may notice over time. Here are some:

1. Fuel System Corrosion:-

Mixing both gases may experience your car’s vulnerability to corrosion. Ethanol gas contains alcohol which can impact a car’s fuel system negatively, resulting in corrosion over time. Corrosion of the fuel system can hinder the proper functioning of the system over time, resulting in a clogged fuel filter. So, if you’re asking, “Can you mix ethanol and non ethanol gas in car?” kindly consider the consequence of doing so.

2. Altered Gas Mileage:-

One of the common things you will most likely experience when you mix ethanol and nonethanol gas is the altered gas mileage. For instance, if you switch from non-ethanol gas to ethanol gas, you may end up losing about 3% of your car’s gas mileage performance.

3. Engine Damage:-

Furthermore, switching back and forth on the type of fuel you use can be detrimental to your vehicle in the long run. It would be best to stick with your vehicle manufacturer’s recommendation as captured in the owner’s manual. However, mixing both gases can get your engine to run fine but by that time the things can get out of hand, resulting in severe damage to your car’s engine, among other parts.

What To Do If You Mix Ethanol And Non-Ethanol Gas In A Car?

If you’re looking for the answer to mixing ethanol and non-ethanol gas in the gas tank of your car engine. Let’s see what to do if you mix ethanol and non-ethanol gas in a car.

1. Lower The Ethanol Content:-

When you mix ethanol-blended fuel with non-ethanol blended fuel in a car, you will lower the content of ethanol in the car. This will produce more harmful emissions. On the other hand, if you’re mixing ethanol with non-ethanol fuel, then you are creating an ethanol blended fuel. This will help you produce less harmful emissions.

2. Blend At The Right Ratio:-

You will face issues if you use non-ethanol gas for too long and then fill up the gas tank with ethanol gas. It will dissolve the sludge in the gas tank. This is where you will face issues. You need to find the right ratio for your car and make a blend every now and then in order to avoid issues.

Frequently Asked Questions:-

Till now, we’ve discussed the question can you mix ethanol and non ethanol gas in car? in detail. Let’s see some frequently asked questions such as is it better to use non-ethanol gas in the car? is ethanol-free gas better for older cars? etc.

1. Is It Better To Use Non-ethanol Gas?

Depending on the preferences and needs of each person, they can decide whether non-ethanol or ethanol gas is better. Biofuel helps to protect the environment but brings low performance. Meanwhile, ethanol-free gas for cars has a higher cost and saves fuel.

2. Is Ethanol-Free Gas Better For Older Cars?

This petrol is better for flexible fuel vehicles. Old cars with inflexible engines are not suitable for mixed petrol. Their fuel tank material is usually metal. Ethanol can absorb water and cause severe rust. It can also cause corrosion of rubber or glass. It is better to choose non-ethanol gasoline to avoid causing damage to older models.

3. How Long Will Ethanol Free Gas Last?

Although still oxidized or evaporated, ethanol-free gas can last for six months. Meanwhile, this time for ethanol is only about three months. Because of this, pure gasoline is often easier to store.


If you’re still wondering about the question can you mix ethanol and non ethanol gas in car? Refer to the above-mentioned information. If anybody’s doubts persist feel free to comment in the comment section below. We’ll try to solve your doubts as soon as possible.