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MPG-CAP - High Performance Fuel Saving Products
High Performance MPG-CAP™ provides Immediate Results for your vehicle. Once you add it to your fuel (gas or diesel), you'll get the benefits immediately.
  • INCREASED MILEAGE PER GALLON. We guarantee a minimum of 10%, Most get better.
  • INCREASED POWER. You can feel the difference as you drive.
  • INCREASED PERFORMANCE. Your vehicle will purr like a kitten.
  • REDUCED EMISSIONS. Never worry about passing the emissions test again.
  • LESS WEAR ON ENGINE. Better combustion reduces engine wear.
  • DECREASES ENGINE MAINTENANCE. Spark plugs and oil stay cleaner longer.
  • CLEANER IGNITION SYSTEM. Longer time between tune-ups. Decreased mechanic visits.
  • FASTER STARTING. Fewer cranking amps needed to start the engine extends battery life.
  • REDUCED OCTANE REQUIREMENT. Drop from high octane to low octane.
    Save an additional 15 cents per gallon at the pump.
  • INCREASED ENGINE LIFE. Less wear and tear makes your car last longer.
  • REDUCES ENGINE MISFIRE. Your car runs smooth and happy.
  • STABILIZES FUEL. Your car runs better no matter where you fill-up.
  • View tests here
The following table shows expected savings using one package (10caplets) MPG-CAP™ to treat 160 Gallons of gas or diesel

Percent Of Increase

Gallons Saved

Real Dollars Saved by YOU










That's Real Money Right Back In Your Pocket!

How MPG-CAP™ fuel additive works

присадка к топливу MPG-Cap

Official Statement on MPG-CAP™ Performance Characteristics

There appears to be a need for clarification about the technology behind the FFi MPG-CAPS™ due to confusion caused by other less credible fuel additives with similar sounding marketing claims.

First of all, the majority of fuel additives, treatments, and conditioners sold today are merely detergents that serve to clean the fuel system but do nothing to the combustion characteristics of fuel or, more importantly, to the combustion chamber itself. This is the arena in which FFi technology and products are formulated to perform, providing the distinction between our products and all the others.

Since most automobile engines burn fuel at a rate of more than 99% efficiency, claims of improving combustion alone are essentially meaningless. However, the greatest loss in the efficiency of an automobile engine is the loss of heat which drives the piston. Experts in the combustion field say that heat recovery is the only practical way to improve gas mileage on a modern engine. Our product is a combustion chamber treatment that conditions the setting where fuel combustion occurs so that the process uses more of the heat generated by combustion.

Here is the way it works. When an MPG-CAP™ is added to the fuel tank, the fuel carries it to the combustion chamber. Its ingredients are used to treat the metal surfaces by forming a film that is technically called thermally derived oxidation. The carboxylic metal creates an oxide residue on the hot surfaces at the time of combustion.

This process can be compared to the scorching of a pan when cooking. When overheated, the food residue forms a layer on the pan when it is oxidized, leaving a film even after being scrubbed that discolors the pan and appears to permeate the pores of the metal.

Inside an engine cylinder, small amounts of material provided by the MPG-CAPS™ oxidize in high temperatures, rapidly producing a thin layer of film on the cylinder walls, the piston face, and the fire deck that provide several benefits.

First of all, the MPG-CAPS™ change the surface heat absorption characteristics of the metal. The fuel and air mixture produces energy in the form of heat that creates expansion that drives the piston down, and the film inhibits the transfer of radiant heat. This directly results in higher combustion temperature, greater expansion, and more power.

The second benefit the MPG-CAP™ film provides is a polished surface effect that allows more even distribution of the fuel. It can be compared to the beading of water on a polished paint job. The micro film attracts the liquid fuel resulting in better fuel distribution that shapes the charge to yield more power.

The third benefit of the film is by serving as a catalyst precursor to react with the catalyst component in the MPG-CAPS™ themselves. The active compounds of the MPG-CAPS™ in combination with the heat in the cylinder cause a catalytic reaction that promotes better disassociation of chemicals and better burn. The catalytic reaction is also exothermic and produces heat. Altogether, these three benefits result in a total of 30 to 40% more expansion in the cylinder with an equal amount of fuel.

Another factor to be considered is the ability of the film created by the MPG-CAPS™ to inhibit the build-up of harmful deposits. This is particularly important in view of the effects that the EPA regulations have had on the automobile industry. In order to comply with EPA mandates to lower emissions, fuel manufacturers have removed lead and added oxygenates to fuel. The repercussion is the building of harmful deposits that tend to soak up fuel and cause performance problems. Decreasing the extent of those deposits is yet another benefit of our product.

Lastly, and perhaps most importantly of all, is the reduction of emissions resulting from the use of MPG-CAPS™. The catalytic process found in catalytic converters on exhaust systems is started in the firing cylinder, which reduces the formation of nitrogen oxides (NOx). The work done by the converter is reduced, and life of the converter is extended.

Extensive scientific testing has revealed many positive effects of FFi products, and none that are negative. Distributors and customers have the added security of a world wide insurance policy that covers any possibility of engine damage. There is every reason to be confident in the abilities of the MPG-CAPS to make a favorable difference in your world.


  Standard North America 
Maximum Dosage Guidelines:



6 - 10 gallons  

~   25 - 41 liters

½ caplet


11 - 20 gallons  

~   42 - 76 liters

1 caplet


21 - 30 gallons  

~   77 - 114 liters



31 - 40 gallons  

~   115 - 151 liters

2 caplets


41 - 50 gallons  

~   152 - 189 liters



51 - 60 gallons  

~   190 - 227 liters

3 caplets


Order online

To khow more about FFi (Forever Freedon International) and its other products here. You can become an independent distributor of FFi


mail to info@amariner.net

MPG-CAP™ - High Performance Fuel Saving Products info@amariner.net