Top Improves Fuel Economy Reviews

Royal Purple 11755 Max-Tane Total Diesel Fuel Performance - 20 oz. Can

Cleans deposits from fuel injectors, carbs, combustion chambers, intake valves deposits and piston crowns.
Improves engine startup and reliability in both warm and cold temperature.
Increases fuel economy by up to 10 percent.
Improves cold flow by preventing gelling.
Provides lubricity to entire fuel system and reduces smoke and odor.

...x. Our XL formula contains the highest lubricity concentration on the market today, with the testing to back it up, which helps to keep your engine operating at its best. It increases the lubricity properties of ultra-low-sulfur diesel so you can play more and worry less..
IMPROVES FUEL ECONOMY: This diesel fuel additive has been shown to enhance fuel mileage, giving you more bang for your buck. With greater fuel economy, you’ll find increased power for summer driving..
CLEANS INJECTORS: The XL Xtreme Lubricant formula helps to reduce deposits and emissions, making this lube compatible with all vehicle emissions systems. It also protects against rust and corrosion..
ENHANCES PERFORMANCE: Opti-Lube’s XL Xtreme Lubrication formula works to improve the performance of truck year round. By increasing the lubrication, keeping things clean, and water under control, XL improves your fuel systems’ efficiency, reliability, and prevents premature wear..
CONTAINS: 4oz bottles of Opti-Lube XL Xtreme Lubrication and a no-spill plastic carry box. Sealed with an O-ring, the Opti-Box allows y....

Specially formulated for diesel engines to combat the effects of poor-quality diesel fuel.
Helps prevent gelling of diesel fuel in lines, filters, and tanks.
Improves starting ability in cold weather.

Cleans, restores, protects the entire fuel system (fuel injectors, carburetors, intake valves and combustion chambers).
Restores: Lost power, acceleration, lost fuel economy, and operation of the fuel gauge sensor.
Reduces: Rough idle, engine surge, hesitation, and spark plus fouling.
Improves: Cold start performance, and fuel stability for up to one year.

3-in-1 fuel additive keeps new engines clean and improves vehicle's performance.
Improves fuel economy an average of 3.2 percent.
Increases horsepower an average of 2.6 percent.
Reduces hydrocarbon, NOx and CO emissions (on average 12, 13 and 18-percent respectively).
Prevents rough idle, hesitation and stalling.

64oz Stanadyne Performance Formula Diesel Fuel Additive (Product can treat up to 250 gallons).
Improves Fuel Economy Lubricates, Cleans & Protects Corrosion.

Star Tron Enzyme Fuel Treatment - Concentrated Gas Formula 2 GALLONS.
Star Tron Enzyme Fuel Treatment is a multifunctional fuel additive which uses a unique enzyme technology that allows all engines to start easily and run smoothly, even when using ethanol-blended fuel or after sitting idle for months..
Features Cures and prevents most ethanol problems Makes all engines start easily, run smoothly.
improves performance Removes and prevents gum, carbon and varnish Works in all engines and in all fuel Helps prevent phase separation by dispersing water throughout fuel as submicron-sized droplets that are safely eliminated while the engine operates.
Improves performance and fuel economy. Stabilizes fuel.
helps rejuvenate old fuel 1 fl. oz. treats 16 gallons of fuel Reduces smoke and all other emissions Keeps fuel delivery system clean.
INITIAL DOSAGE: Add 1 fl. oz. (30 ml) for every 8 gallons (30 L) of gas. REFILL: Add 1 fl. oz. (30 ml) for every 16 gallons (60 L) of gas. Always add Star Tron just before each fuel fillup. Remove cap and pour the prescribed amount into tank. Overdosing is not harmful..

Diesel RV engine additive and cleaner increases fuel economy by up to 3 percent.
Reduces smoke and soot by up to 50 percent.
Injector cleaner for diesel RV engine plus stabilizes diesel fuel for storage for up to 1 year.
Improves the lubricity of ultra-low sulfur diesel (ULSD).
Cleans fuel injectors and improves hill climbing performance.

Star Tron Enzyme Fuel Treatment - Concentrated Gas Formula 4 GALLONS.
Star Tron Enzyme Fuel Treatment is a multifunctional fuel additive which uses a unique enzyme technology that allows all engines to start easily and run smoothly, even when using ethanol-blended fuel or after sitting idle for months..
Features Cures and prevents most ethanol problems Makes all engines start easily, run smoothly.
improves performance Removes and prevents gum, carbon and varnish Works in all engines and in all fuel Helps prevent phase separation by dispersing water throughout fuel as submicron-sized droplets that are safely eliminated while the engine operates.
Improves performance and fuel economy. Stabilizes fuel.
helps rejuvenate old fuel 1 fl. oz. treats 16 gallons of fuel Reduces smoke and all other emissions Keeps fuel delivery system clean.
INITIAL DOSAGE: Add 1 fl. oz. (30 ml) for every 8 gallons (30 L) of gas. REFILL: Add 1 fl. oz. (30 ml) for every 16 gallons (60 L) of gas. Always add Star Tron just before each fuel fillup. Remove cap and pour the prescribed amount into tank. Overdosing is not harmful..

3-in-1 fuel additive keeps new engines clean and improves vehicle's performance.
Improves fuel economy an average of 3.2 percent.
Increases horsepower an average of 2.6 percent.
Reduces hydrocarbon, NOx and CO emissions (on average 12, 13 and 18-percent respectively).

For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual..
Cleans, restores, protects the entire fuel system (fuel injectors, carburetors, intake valves and combustion chambers).
Restores: lost power, acceleration, lost fuel economy, and operation of the fuel gauge sensor.
Reduces: rough idle, engine surge, hesitation, and spark plus fouling.
Improves: cold start performance, and fuel stability for up to one year.