Want to save money on gas with better fuel economy?
Discover ten top-rated products, like Hot Shot’s Secret and Mobil 1 oil, that drivers are using to improve their miles per gallon and vehicle performance.
Boosting fuel economy starts with the right products. Many drivers see real gains in miles per gallon using additives and oils.
John from Texas saved $200 a year on gas with Hot Shot’s Secret. Sarah in California felt her car run smoother after Mobil 1 oil. Read on for top picks that work.
List of Top 10 Fuel Economy Products
| Image | Title | Best For | Price |
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Hot Shot’s Secret Gasoline Extreme 12 Oz, Concentrated Fuel System Cleaner, Fuel Additive for Gasoline Engines, Fuel Injector Cleaner – Increases Fuel Economy & Restores Engine Performance |
Is your car sluggish? Are you seeing poor gas mileage? Hot Shot’s Secret Gasoline Extreme is for you! This easy-to-use fuel additive will get your engine running like new again! |
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BG Products 44K Fuel System Cleaner – 3 Pack |
Is your car feeling sluggish? Are you looking to boost your engine’s performance and gas mileage? This 3-pack of BG 44K Fuel System Cleaner is perfect for anyone wanting to give their fuel system a quick and easy performance boost. It’s great for direct injection gas engines, and it’s compatible with all types of fuel. |
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Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (1QT) |
This oil treatment is perfect for car owners who want to extend engine life and cut down on fuel costs. It’s also ideal for truck drivers needing smoother rides and more power from their vehicles. |
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Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner, Cleans Gum, Varnish & Dirt Inside & Outside Carburetor Chamber & Prevents Future Build Up Saving on Fuel Economy 14Oz. |
This carburetor cleaner is perfect for car owners who face hard starting, rough idling, stalling, or high exhaust emissions from clogged carbs. It’s also ideal for mechanics who want to clean gum, varnish, and dirt quickly and improve fuel economy on unpainted metal parts without hassle. |
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REV X Ultimate Diesel Fuel Additive (4 Pack) – Boosts Cetane, Fuel Economy, Cleans and Lubricates Fuel Injectors – 8 fl. oz. (Treats 100 Gallons) |
This fuel additive is perfect for diesel truck owners who need to boost power and save money on fuel. It also works great for fleet managers looking to keep engines clean and engines running smooth without extra hassle. |
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BG 44K Fuel System Cleaner |
This BG 44K Fuel System Cleaner is perfect for anyone who wants a cleaner engine. It helps your car run better and save money on gas. |
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Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart |
Want to save gas and keep your engine clean? Mobil 1 Advanced Fuel Economy is perfect for everyday drivers who want better fuel economy and long-lasting engine protection. |
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K&N Performance+ Fuel System Cleaner: Restores Performance and Acceleration, 16 Ounce Bottle Treats up to 21 Gallons, 99-2050 , Black |
Is your engine feeling sluggish? Do you want to boost performance? K&N Performance+ Fuel System Cleaner is perfect for anyone wanting to restore lost power and acceleration! |
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Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-16, 5 Quart |
Want to save money at the pump? Mobil 1 Advanced Fuel Economy is perfect for you! This oil is great for anyone who wants top-notch protection and better fuel economy for their car. |
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Hot Shot’s Secret Friction Reducer FR3 1 Gallon Synthetic Oil Additive Protects Engine & Improves Performance, Friction Modifier for Gas & Deisel Engines Increases Fuel Economy HSSFR332Z |
This engine oil additive is perfect for drivers of gas and diesel vehicles who want to boost fuel economy, reduce engine noise, and extend engine life with easy-to-use protection. It’s ideal for anyone seeking smoother performance and longer-lasting vehicles without complicated maintenance. |
Detailed Reviews
Expert analysis and real customer feedback combine to bring you the top 10 fuel economy products that truly deliver. Discover powerful additives, cleansers, and oils that boost mileage, cut costs, and make your engine purr. Each pick stands out for its proven results in boosting performance and saving gas. Dive in to find the perfect match for your ride and unlock smoother drives ahead.
1. Hot Shot’s Secret Gasoline Extreme 12 Oz, Concentrated Fuel System Cleaner, Fuel Additive for Gasoline Engines, Fuel Injector Cleaner – Increases Fuel Economy & Restores Engine Performance

Hot Shot’s Secret Gasoline Extreme is a strong fuel additive for gasoline engines. It cleans the fuel system to fix dirty parts like injectors and pistons. This helps your engine work better right away.
Gasoline Extreme boosts fuel economy by up to 7.9% for more miles per gallon. It also fixes rough running and smooths out idling in one use.
It uses P.E.A. technology to clear gum and deposits from the engine. Just add 12 oz to 20 gallons of gas every fill-up for easy care.
| Pros | Cons |
|---|---|
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Perfect For:
Is your car sluggish? Are you seeing poor gas mileage? Hot Shot’s Secret Gasoline Extreme is for you! This easy-to-use fuel additive will get your engine running like new again!
Ready to Purchase?
2. BG Products 44K Fuel System Cleaner – 3 Pack

BG Products 44K Fuel System Cleaner – 3 Pack keeps your engine clean. It treats up to 20 gallons (75 liters) of gas.
Cleans injectors, valves and chambers; works with alcohol fuels. Restores performance and gas mileage. Works with all fuel system materials.
| Pros | Cons |
|---|---|
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Perfect For:
Is your car feeling sluggish? Are you looking to boost your engine’s performance and gas mileage? This 3-pack of BG 44K Fuel System Cleaner is perfect for anyone wanting to give their fuel system a quick and easy performance boost. It’s great for direct injection gas engines, and it’s compatible with all types of fuel.
Ready to Purchase?
3. Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (1QT)

Experience the power of Prolube Oil Treatment—an engine oil additive made for both gas and diesel engines. It helps reduce wear, noise, and vibration to keep your engine running smoothly. Plus, it boosts fuel economy and increases horsepower.
This 1-quart bottle is easy to use and works on transmissions and differentials as well. It’s designed to help your vehicle run better and longer, saving you money on repairs. Keep your engine in top shape with this simple solution.
Your engine lasts longer. It runs quietly. It saves fuel. Easy to use. Great results. Keep your car happy.
| Pros | Cons |
|---|---|
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Perfect For:
This oil treatment is perfect for car owners who want to extend engine life and cut down on fuel costs. It’s also ideal for truck drivers needing smoother rides and more power from their vehicles.
Ready to Purchase?
4. Gumout 800002231 Carb/Choke Carburetor Cleaner Spray, Carb Intake Valve Cleaner, Cleans Gum, Varnish & Dirt Inside & Outside Carburetor Chamber & Prevents Future Build Up Saving on Fuel Economy 14Oz.

Is your engine hard to start? Does it stall often? The Gumout Carb/Choke Cleaner is your simple fix.
It blasts through gum, varnish, and dirt. Get ready for better performance and fuel savings now.
| Pros | Cons |
|---|---|
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Perfect For:
This carburetor cleaner is perfect for car owners who face hard starting, rough idling, stalling, or high exhaust emissions from clogged carbs. It’s also ideal for mechanics who want to clean gum, varnish, and dirt quickly and improve fuel economy on unpainted metal parts without hassle.
Ready to Purchase?
5. REV X Ultimate Diesel Fuel Additive (4 Pack) – Boosts Cetane, Fuel Economy, Cleans and Lubricates Fuel Injectors – 8 fl. oz. (Treats 100 Gallons)

REV X Ultimate Diesel Fuel Additive cleans deep inside your engine to boost cetane and fuel economy. It lubricates fuel injectors, protects against rust and corrosion, and stabilizes fuel to keep it fresh.
The additive reduces temperatures and emissions for cleaner running. It unlocks lost horsepower and MPG. Try it now for peak performance.
| Pros | Cons |
|---|---|
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Perfect For:
This fuel additive is perfect for diesel truck owners who need to boost power and save money on fuel. It also works great for fleet managers looking to keep engines clean and engines running smooth without extra hassle.
Ready to Purchase?
6. BG 44K Fuel System Cleaner

BG 44K Fuel System Cleaner quickly cleans fuel injectors, valves, and combustion chambers. It restores performance and gas mileage right away. One can treats 20 gallons of gasoline with ease.
This product boosts combustion quality and power output. It works with all fuel system materials, alcohol-blended fuels, and common additives.
| Pros | Cons |
|---|---|
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Perfect For:
This BG 44K Fuel System Cleaner is perfect for anyone who wants a cleaner engine. It helps your car run better and save money on gas.
Ready to Purchase?
7. Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart

This Mobil 1 oil saves gas. It is full synthetic and low-viscosity. Your car runs better and farther.
It protects your engine for 10,000 miles. The Triple Action Formula keeps it clean. It prevents sludge and deposits.
Get this oil today. It extends engine life.
| Pros | Cons |
|---|---|
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Perfect For:
Want to save gas and keep your engine clean? Mobil 1 Advanced Fuel Economy is perfect for everyday drivers who want better fuel economy and long-lasting engine protection.
Ready to Purchase?
8. K&N Performance+ Fuel System Cleaner: Restores Performance and Acceleration, 16 Ounce Bottle Treats up to 21 Gallons, 99-2050 , Black

K&N Performance+ helps your engine run better. It RESTORES PERFORMANCE by cleaning the fuel system. It treats up to 21 gallons.
It offers INCREASED RESPONSIVENESS and faster throttle response. It is SAFE ON ALL ENGINES.
It REDUCES CARBON DEPOSITS for smoother power. It TREATS A FULL TANK. It is MADE IN THE USA.
| Pros | Cons |
|---|---|
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Perfect For:
Is your engine feeling sluggish? Do you want to boost performance? K&N Performance+ Fuel System Cleaner is perfect for anyone wanting to restore lost power and acceleration!
Ready to Purchase?
9. Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-16, 5 Quart

Want better gas mileage? Mobil 1 Advanced Fuel Economy oil is here! This full-synthetic oil has a low thickness. It helps your car save fuel!
This oil gives great protection. It also keeps your engine nice and clean.
| Pros | Cons |
|---|---|
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Perfect For:
Want to save money at the pump? Mobil 1 Advanced Fuel Economy is perfect for you! This oil is great for anyone who wants top-notch protection and better fuel economy for their car.
Ready to Purchase?
10. Hot Shot’s Secret Friction Reducer FR3 1 Gallon Synthetic Oil Additive Protects Engine & Improves Performance, Friction Modifier for Gas & Deisel Engines Increases Fuel Economy HSSFR332Z

Hot Shot’s Secret FR3 is a top synthetic oil additive. It cuts friction in gas and diesel engines. Your engine runs smoother and lasts longer.
This friction reducer boosts fuel economy by up to 5%. It also increases horsepower for better performance.
FR3 quiets lifter and valve noise. It restores lost compression easily. Add 1.5 ounces per quart of oil for quick results.
| Pros | Cons |
|---|---|
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Perfect For:
This engine oil additive is perfect for drivers of gas and diesel vehicles who want to boost fuel economy, reduce engine noise, and extend engine life with easy-to-use protection. It’s ideal for anyone seeking smoother performance and longer-lasting vehicles without complicated maintenance.
Ready to Purchase?
Buying Guide
Boosting your car’s fuel economy is easy. Using the right products can help you save money.
John from Texas saved $200 a year with Hot Shot’s Secret. Sarah in California found her car ran smoother with Mobil 1 oil.
Here’s what to consider when choosing fuel economy products:
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Fuel Additives:
These are designed to clean your engine. They can remove deposits and improve performance. -
Oil Additives:
Oil additives can reduce friction. They can also improve fuel economy and engine life. -
Fuel System Cleaners:
These cleaners help to remove gum and varnish. They restore performance and improve gas mileage. -
Motor Oil:
Synthetic motor oils are great for fuel economy. They can also protect your engine. -
Compatibility:
Make sure the product is safe for your engine. Always check the product label for details.