
Using the wrong type of fuel in your vehicle can be a costly mistake. Gasoline and diesel engines require different types of fuel, and using the wrong one can cause significant damage. However, what if you want to use recreational (rec) fuel in your car? Is it safe to do so, or will it cause problems? Rec fuel is a type of gasoline that is typically used for power and
Can you put REC fuel in a car?
| Characteristics | Values |
|---|---|
| What is REC fuel? | REC fuel is a non-ethanol fuel with 90 octane. |
| Can it be used in cars? | Yes, REC fuel can be used in cars. However, it is more commonly used for marine equipment and small engines for lawnmowers, snowblowers, chainsaws, generators, pumps, and other non-transportation equipment. |
| Benefits of REC fuel | REC fuel has a slightly greater energy density, which can lead to improved fuel economy and mileage. It also has a longer shelf life compared to ethanol-blended fuel, which can cause gunking and reduce engine performance over time. |
| Drawbacks of REC fuel | REC fuel is more expensive than regular fuel. The price difference may not be justified by the marginal improvements in performance and fuel economy. |
| Recommendations | It is generally recommended to use the type of fuel suggested by the vehicle manufacturer. Using a higher grade of fuel than necessary may not provide significant benefits under normal driving conditions. |
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What You'll Learn

REC fuel is non-ethanol fuel, which is better for engine health
REC fuel is 100% gasoline, with no ethanol content. It is often marketed as "Recreational fuel" or "REC-90" at gas stations. While ethanol-blended fuel is widely available and commonly used, REC fuel has several advantages for engine health.
Firstly, ethanol is known to eat up rubber and seals, causing deposits in places like carb jets, which can negatively impact the performance of carburetors. Ethanol also acts as a solvent, dissolving plastic, rubber, and fiberglass, which can lead to serious issues in small engines. By eliminating ethanol, REC fuel helps to prevent these issues and maintain the integrity of engine components.
Secondly, ethanol has a tendency to absorb water over time, leading to potential engine problems. This is a particular concern for boat owners, as the high water absorption rate of ethanol can cause issues with boat engines. REC fuel, being ethanol-free, does not carry this risk, ensuring better engine performance and reducing the likelihood of water-related engine issues.
Additionally, REC fuel can be beneficial for older vehicles. While modern engines are often designed to handle ethanol blends, older engines may not be programmed to accommodate high levels of ethanol. Using REC fuel in these older vehicles can help prevent engine confusion and potential damage caused by high ethanol content.
REC fuel is also a popular choice for outdoor power equipment, such as lawnmowers, snowblowers, and generators. The absence of ethanol in REC fuel helps to ensure the proper functioning of these small engines and reduces the risk of costly repairs.
In summary, REC fuel's non-ethanol composition offers several benefits for engine health. It helps prevent issues with rubber and seal degradation, reduces the risk of water-related engine problems, and ensures better compatibility with older engines and outdoor power equipment. While ethanol-blended fuel is common, REC fuel provides a valuable alternative for those seeking to optimize engine performance and maintain the health of their vehicles and equipment.
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REC fuel is more expensive than regular fuel
REC fuel, also known as REC-90, is an ethanol-free 90-octane unleaded gasoline blend. It is designed for recreational and marine engines that may be damaged by the ethanol found in other gasoline blends. It is also usable in some aviation engines and automotive engines, although it has not been thoroughly tested for cars and trucks.
The higher price of REC fuel is a significant consideration for motorists, who often wonder why higher-grade fuel options are pricier. The additives used for boosting octane are generally more expensive to produce, which is reflected in the final price of the fuel.
While some vehicles can benefit from premium gas, most drivers can save money by using regular unleaded without sacrificing performance. Engines designed for regular-octane gas gain little to no benefit from using high-octane fuel. Therefore, it is important to refer to the owner's manual to determine the recommended fuel type for your vehicle.
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REC fuel is mostly sold at marinas
REC fuel, or REC-90, is a type of gasoline that does not contain ethanol. It is designed for use in small engines, such as those found in boats, jet skis, and other marine vehicles. It can also be used in outdoor power equipment, such as lawnmowers, snowblowers, and generators. The ethanol-free composition of REC fuel helps to prevent issues with bacteria growth and clogging, making it ideal for marine vehicles that may have long periods of inactivity. Additionally, REC fuel has a higher octane rating than E10 gasoline, which can help reduce engine knock and boost performance in vehicles with higher compression ratios.
Due to these characteristics, REC fuel is particularly well-suited for marine environments and is, therefore, predominantly sold at marinas. Marinas cater specifically to the needs of boat owners, and REC fuel is formulated to enhance the performance of marine engines while also reducing maintenance costs. The non-ethanol composition of REC-90 helps to prevent clogging issues that can be caused by bacteria growth on injectors and valves, which is a common problem in marine settings due to the presence of water.
Another factor contributing to the availability of REC fuel at marinas is the specialized nature of the marine fuel market. Boat owners are typically willing to pay a premium for high-quality fuel that can improve the performance and longevity of their vessels. As a result, marinas can offer REC fuel at a higher price point compared to gas stations, reflecting the exclusive and high-value nature of boating as a recreational activity.
Furthermore, the cost of providing gasoline on water is generally higher than on land due to factors such as real estate costs, regulatory requirements, logistics, and volume. Marinas incur additional expenses associated with operating in a marine environment, which are reflected in the pricing of the fuel they offer. By selling REC fuel, marinas can provide their customers with a specialized product that justifies the higher prices and helps offset the overall operational costs of running a marina.
While REC fuel is primarily sold at marinas, it is not exclusive to these locations. Some gas stations also offer REC fuel, although its availability can vary depending on the region and the specific gas station brand. For instance, in certain areas, gas stations like Valero and RaceTrac have been known to carry REC-90 fuel. However, the availability of REC fuel at gas stations is generally less widespread compared to its presence at marinas, which have become a reliable source of this specialized marine fuel.
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REC fuel is suitable for cars, but it is intended for power and recreational equipment
REC fuel is a non-ethanol fuel that is intended for power and recreational equipment. It is often used in boats, marine equipment, and small engines for lawnmowers, snowblowers, chainsaws, generators, and pumps. REC fuel typically has an octane rating of 90, although 87, 88, and 89 octane variants also exist.
While REC fuel is primarily designed for power and recreational equipment, it can also be used in cars. Some car owners choose to use REC fuel in their vehicles to prevent issues caused by ethanol-blended fuels. Ethanol can absorb moisture from the air, leading to the formation of a "'gummy'" residue that can foul up the internals of the engine. This residue can cause problems with carburetors and reduce the shelf life of the fuel.
However, it is important to note that using REC fuel in a car may not provide significant benefits. Regular gas with an 87 octane level is typically suitable for most car engines. Unless your car is experiencing engine knock or other issues, there is usually little advantage in using higher-octane fuels like REC 90. Additionally, REC fuel is often more expensive than regular gasoline, and the improved performance and mileage may not justify the price difference.
Ultimately, the decision to use REC fuel in a car depends on various factors, including the vehicle's specifications, the availability and cost of REC fuel, and the owner's preferences. While it is suitable for cars, REC fuel is intended for power and recreational equipment, and car owners should refer to their owner's manual and follow the manufacturer's recommendations for the best results.
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REC fuel has a higher energy density, resulting in improved MPG
REC fuel, also known as REC 90, is a type of gasoline that is free from ethanol. It is specifically designed for recreational vehicles such as boats, personal watercraft, and motorcycles. While REC fuel has a lower energy content compared to gasoline containing ethanol, it offers several benefits that contribute to improved fuel economy and mileage.
Firstly, REC fuel provides better engine performance compared to gasoline with ethanol. Ethanol can cause corrosion and damage to engines, leading to reduced efficiency. By eliminating ethanol, REC fuel ensures optimal engine performance, resulting in improved mileage.
Secondly, REC fuel has a longer shelf life than gasoline with ethanol. Ethanol tends to attract moisture, leading to the formation of water in the fuel. This can cause operational issues and impact fuel efficiency. REC fuel's longer shelf life means it can be stored for extended periods without performance degradation, ensuring consistent mileage over time.
Additionally, REC fuel reduces the risk of engine wear and corrosion. The absence of ethanol makes it less likely to cause damage to engines, especially those not designed to run on ethanol-blended gasoline. This helps maintain engine health and performance, contributing to improved mileage and overall vehicle longevity.
REC fuel is also less likely to attract water and form phase separation. This property further enhances its stability and longevity, reducing the chances of operational issues that could impact mileage.
While REC fuel offers these advantages, it is important to consider the specific requirements of your vehicle. Engines designed for regular-octane gas may not experience significant benefits from using higher-octane fuels like REC 90. Always refer to your vehicle's owner's manual for guidance on the recommended type of gasoline.
Frequently asked questions
Yes, you can put rec fuel in your car. REC 90 is a non-ethanol fuel with 90 octane that is intended for power and recreational equipment, but it can also be used in cars.
Rec fuel has a slightly greater energy density, which can improve your MPG. It also has a longer shelf life than ethanol fuel, which absorbs moisture in the air and can gunk up your engine.
Regular gas with an 87 octane level is suitable for most engines, while some high-output engines require premium gas with higher (91-94) octane levels. You should always follow your owner's manual guidance when choosing a type of gas.











































