
FEROX™ FOR EVERY VEHICLE
Rennsli is your reliable partner with excellent products. Take advantage of Ferox™ and increase your company’s profitability. Ferox™ is a product developed in the USA, patented and used worldwide. Ferox™ does not change the standard properties of the fuel and is certified and insured. Rennsli is currently working on approval for JET-A fuel as Ferox™ also fully complies with ASTM-1655-23a.

Ferox™ Product Range
We ensure that Ferox is found in the right size for you. We can supply Ferox to suit all types of customers. We have products suitable for all types of vehicles, from motorcycles to large vehicles.
- FEROX™ pill for 30 litres / 8 gallons of fuel - Power pill for smaller engines
- FEROX™ pill for 75 litres / 20 gallons of fuel - The power pill for your car
- FEROX™ pill for 200 litres / 50 gallons – The powerful pill for trucks and buses
- FEROX™ powder for 2,000 litres / 500 gallons of fuel - FEROX™ fuel powder for farm tanks and heating oil
- FEROX™ powder for 8,000 litres / 2,000 gallons of fuel - FEROX™ fuel powder for company filling stations
- FEROX™ powder for 10,000 litres / 2,600 gallons of fuel - FEROX™ fuel powder for company filling stations
- 150,000 litres / 40,000 gallons of FEROX™ powder for fuel - FEROX™ for industry
Ferox™ for a Sustainable Future
Ferox™ is a game changer in fuel optimisation and emission reduction. It can be used with all hydrocarbon based fuels including kerosene in heavy oil transport and aviation. Ferox™ optimises combustion quality like no other known product on the market. It is technically safe and guaranteed to be effective. It is covered by product liability insurance worldwide and does not change the NORM quality of the fuel when used correctly. It is patented and original and cannot be compared to other solid catalyst products previously on the market which were flammable and inefficient. As a solid non-flammable product, Ferox™ is practical to use and highly effective. The first governments to apply Ferox™ after intensive testing. The Ferox™ patent is based on the innovation of effective optimisation of the fuel in terms of combustion quality and emission reduction.


Ferox™ User Benefits
- Complete combustion of fuel up to 99%
- Cleaning the exhaust aftertreatment system
- Significantly reduces harmful emissions by up to 80%
- Up to 20% fuel savings in small vehicles
- Up to 50% AdBlue savings
- Increased performance of the application
- Extending the range of small vehicles by up to 20%
- For heavy oil: reduction of slag, SO2 and harmful emissions by up to 80%