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Annex Fuel

This is a technical explanation on Annex Fuel and its proprietary chemistry.


Deep Clean

Annex Fuel is a unique blend of oil soluble organo-metallics that result in better overall performance of combustion engines. When added to petrol or diesel fuel, Annex Fuel results in increases in Km/ltr, available horsepower, reductions in carbon build-up, carbon related maintenance problems, reductions in harmful emissions and pollutants sent into the environment through the use of fossil fuels.

Fuel-burn Efficiency

This reaction produces a combustion and fuel-burn efficiency that more closely resembles the ideal OTTO Cycle for petrol/octane & Diesel engines and more efficient fuel burn in diesel engines.

High Combustion

The more efficient combustion process resulting from Annex Fuel eliminates the formation of soot particles in diesel engines by causing combustion of the hydrocarbons before the coagulation of condensates can occur. Combustion surface modification is an important component of Xtreme Fuel Treatment. Larger particle surface areas result in a more complete burn of the available fuel and reduced particle mass build-up. Corrosive and abrasive engine deposits never form, or if present, are gradually eliminated through ongoing and improved fuel combustion.
By burning and eliminating soot particle build-up on equipment surfaces, harmful emissions are reduced significantly.

High Concentration

The highly concentrated blend of ingredients in Annex Fuel (20ml treats up to 20 litres of fuel ()Octane & Petrol (10ml for 20 Liters of Diesel) eliminates the need for multiple products that are intended to treat just one symptom.

Regular use of Annex Fuel will allow for optimum results in engine performance when combined with regular and scheduled maintenance of any combustion engine. 


The active ingredient in Annex Fuel prevents soot particles from adhering to equipment and metal surfaces.

The product deactivates the sites where undesirable chemistry occurs. Soot particles are composed of an inner core and an outer shell, as seen using high-powered transition electron microscopes (TEM).

The inner core of soot particles is made up of small carbon particulates and the outer shell is formed by carbon crystallites that have a graphite structure, located parallel to the periphery of the inner core.

Once the outer shell is formed, combustion of the soot particle is almost impossible.

In order to reduce soot formation in diesel engines, mechanisms that oxidize the inner core of soot, before completely formed, are required. The active ingredients in Annex Fuel are effective in facilitating this process. 

So what does all of this mean? It means what we have said time and time again:

Organo-metallic technology

Annex Fuel contains an advanced burn-rate modifier and combustion surface modifier catalyst, which, when combined with gasoline or diesel fuel, increases the rate of the combustion reaction and changes the surface structure of the fuel to achieve a more efficient combustion process.

Preventing Carbon Build-up

Annex Fuel can also prevent the buildup of carbon deposits on the gas side of turbochargers. As a result, the rated efficiency of the turbocharger can be maintained and water washing can be significantly reduced.


Additional Benefits

The additional components of Annex Fuel include detergents for petrol and diesel engines, lubricants to treat pumps and injectors, a corrosion inhibitor to keep metal parts of the fuel system like new, a demulsifier to reduce and eliminate condensation in the fuel system, stability agents to prolong the life of stored fuel, and polymerization retardants to reduce solid formation. Additional benefits of using Annex Fuel include reduced cold and acid corrosion, reduced high temperature corrosion and more.

Reducing Fuel Droplet Size

Annex Fuel also reduces the fuel droplet size and thus increases the surface area where combustion occurs.

This reduction in fuel droplet size allows for the increase in the frequency of fuel oxygen collisions, ultimately increasing the concentration of reactants, and thereby increasing the rate of the reaction.


Annex Fuel initiates the fuel combustion process at a temperature 400 degrees Fahrenheit lower than the normal ignition point.

Table For Fuel Save

Petrol Annex Diesel Annex
12-15 Liters 30 ml 10-15 Liters 30 ml
35-40 Liters 40 ml 40-60 Liters 60 ml
60- 70 Liters 60 ml 100-120 Liters 125 ml
80-120 Liters 125 ml 200-250 Liters 250 ml

Starting at just $30

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Simone Ackerman
San Francisco