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Why the truth that simple tin-antimony pellets can keep engines permanently clean & efficient has been intentionally suppressed for the last 80-years 

In 1942, American motor industry engineers discovered the tin-antimony pellets, used in the tanks of British Hurricane fighter planes on the Russian front, caused a reaction in hydrocarbon fuels which removed carbon deposits and kept engines permanently clean. They were very worried. The truth could devastate the vast profits they made from replacement parts, costly repairs and annual engine de-cokes. And could even slow new car sales. But for the fuel additive companies - with dispenser cans on every petrol pump - the little pellets spelt complete disaster. So, they started a devious smear campaign ...

... and motoring’s biggest lie was born.

As Joseph Goebbels said, "have a lie repeated often enough and eventually people will come to believe it" - so, with a little help from their powerful friends, that's what they did. Along with a series of misleading slurs, the devious lie, 'if they were that good the manufacturers would fit them' was circulated through motor trade and garage networks. It wasn't long before ordinary drivers were doing the motor industry's dirty work and repeating a lie devised to fool them. Over the last 80-years, just as the propagandists intended, motoring's biggest lie has been repeated so many times, many have come to believe it. 

Avoidable carbon deposits earn billions for the motor industry - but it's long been simple to keep any engine permanently clean & efficient

Along with the motor industry's misleading propaganda, false claims have continually plagued the pellets. Clueless sellers said they'd boost octane, keep fuel fresh and now claim they can neutralise ethanol. All complete nonsense. However, to say the long-discredited and fabricated claims of car show hucksters somehow mean the pellets don’t work, is the same false equivalence as thrash-testing them in a clean engine. The truth remains, tin-antimony pellets have only ever repeatedly demonstrated the single ability to eliminate carbon deposits from engines. Because that's all they do. Nothing else.

All the benefits the FTC pellets provide come solely from the removal & prevention of carbon deposits

The effectiveness of tin-antimony pellets, now called fuel catalysts, in removing hidden carbon deposits has always been easily measured and observed using industry-standard before & after emissions test results - in exactly the same way liquid fuel additives are tested. When carbon deposits are removed there's a measurable reduction in exhaust emissions as the engine becomes cleaner and combustion efficiency is restored. Along with before & after emissions test results, FTC has been independently tested using PEMS (portable emissions measurement system) the advanced technology used by many motor manufacturers.

FTC has been used and recommended for many years to restore lost efficiency in petrol & diesel engines by removing hidden carbon deposits

Keep any engine permanently clean & efficient and its fuel economy, performance and emissions will stay close to those of a brand-new engine

The reaction fuel catalysts cause in petrol & diesel fuels safely removes tough, baked-on carbon deposits from combustion chambers and performance-critical components like fuel injectors, intake valves and O2 sensors. Which is what restores lost performance, restores lost fuel economy and reduces excess exhaust emissions - as industry-standard before & after emissions test results and MOT emissions test certificates repeatedly confirm. In new or clean engines, fuel catalysts simply stop deposits from forming. Which means performance, economy and emissions will stay close to those of a brand-new engine. 

Because the engine management systems (EMS) in modern vehicles compensate for the changes carbon deposits cause by making continuous timing adjustments, we're largely insulated from all but their worst effects. Often the first we know of the hidden deposits lurking beneath, is when a dashboard warning light starts flashing, our engine goes into limp mode or another deposit related problem occurs - like a failing fuel injector/s, misfire/s or sticking valve/s

Carbon build-up on intake valves restricts air flow and prevents the valves from closing properly - resulting in loss of compression. Partially burnt fuel vapour then escapes during the combustion cycle resulting in loss of power and poor fuel economy. The wasted fuel vapour then becomes carbonised throughout the entire exhaust system leading to the numerous problems millions of drivers face with fuel-heavy soot formations clogging the EGR, DPF and CAT.

Removing carbon deposits allows the engine to function properly, reduces the operating temperature and where applicable allows the EMS to progressively restore the engines original timing settings. Greatly helping restore the engines lost performance efficiency. Removing carbon deposits from valves is just one reason why so many engines, especially diesels, become so much quieter and smoother when using FTC.

Removing hidden carbon deposits reduces the engines operating temperature and allows the EMS to restore the original timing settings

The Handbook of Air Pollution from Internal Combustion Engines details the negative impact deposits have on engine efficiency. The Worldwide Fuel Charter clearly states that even the use of high-quality fuel leads to deposit formation affecting performance and increasing engine-out emissions. This helps explain why large numbers of relatively young vehicles fail their MOT emissions test every year. Data from the Driver and Vehicle Standards Agency (DVSA) confirms 1,273,771 vehicles were taken off the road in 2019/20. With 849,537 petrol vehicles and 420,537 diesel vehicles failing the MOT emissions test. 

The problems are the same all over the world. Hundreds of millions of vehicles are wasting fuel and suffering all the same engine & exhaust system problems whilst pumping vast amounts of excess toxic emissions into the air. Simply because carbon deposits have made their engines dirty and inefficient.

It was precisely because the little pellets really 'were that good' that the manufacturers didn't fit them ...

The discovery in 1942, that simple tin-antimony pellets could keep petrol & diesel engines permanently clean, should have revolutionised motoring. Sadly it didn't. Due to the profits from spare parts, repairs and repeat-use chemical fuel additives the truth was intentionally suppressed. And nothing much has changed. Motorists are still being intentionally misled, allowing the motor industry and the fuel additive companies to continue making a fortune from replacement parts, repairs and hundreds of millions of plastic bottles of repeat-use chemical cleaners.

Starting in 1943 with the Laurel & Hardy film Jitterbugs, to the present day, special interests have repeatedly ensured the truth about tin-antimony pellets has been mocked, blocked, obfuscated and obscured. Today the legacy of this long-term dishonesty is seen everywhere. From the horrendous excess traffic pollution ruining the air quality for millions in towns and cities worldwide to the numerous common engine and exhaust system problems suffered by motorists everywhere.  

Yet, as industry-standard before & after emissions test results and MOT emissions test certificates have repeatedly demonstrated for many years and as thousands and thousands of motorists with all types of petrol & diesel vehicles see for themselves every day - by removing hidden carbon deposits and keeping engines permanently clean, tin-antimony fuel catalysts not only restore lost fuel economy and restore lost performance - they also reduce excess exhaust emissions and keep them permanently low.

... and why motoring's biggest lie was started in the first place.



“The science behind metallic catalysts is very well founded on the established science of surface chemistry. The combination of metals in the catalyst (FTC) is soundly based and allows these metal compositions to initiate and progress the chemical reactions involved. True catalysts take part in these reactions to form intermediary products but are found to be 100% retained at the end. This accounts for the unlimited life of the catalyst (FTC)”.

Dr. Victor Cunningham


The permanent one-time treatment for petrol & diesel engines

FTC is a solid phase heterogenous catalyst. Similar to the commercial catalysts used to initiate molecular changes during the production of bio diesel, fertiliser and plastics. Solid phase surface catalysts are incredibly hard and non-sacrificial which is what gives them a virtually unlimited lifespan. FTC pellets initiate a reaction in fuel but are not used up as part of this reaction. And because they don’t dissolve, break-down or wear away you only need to add them to your vehicle once.

Virtually identical tin-antimony pellets were first used in the fuel tanks of British Hurricane fighters, operating out of Murmansk on the Russian front during WW2. Low temperature waxing issues with the local aviation fuel prompted Russian scientists, supported by RAF ground crew, to develop the first fuel catalysts.

The forerunners of todays catalysts allowed the Hurricanes Merlin engines to operate effectively in extremely low temperatures with the locally available fuel. The WW2 campaign, code named ‘Operation Benedict’, is recorded in ‘Hurricanes over Murmansk’ by John Golly and in ‘Force Benedict’ by Eric Carter. Which details the early use of fuel catalysts and subsequent post-war development.

Hurricanes over Murmansk by John Golly ISBN 1840372982
Force Benedict (p129/131/256/257) by Eric Carter ISBN 1444785141


• FTC is safe to use with any engine whether old or new
• FTC doesn't break down, wear out or ever need to be replaced
• FTC is simple to use and it works. Try it for yourself and see