If you operate internal combustion engines, whether spark ignition (petrol) or compression ignition (diesel) and whether you operate on the road, rail probably all share at least three of the same goals:

• To maximise vehicle availability
• To reduce fuel consumption/cost
• To make the fleet more sustainable

Vehicle design, vehicle set-up and driving habits are probably the three most critical factors affecting the goals but you should also spend more time considering the source and quality of the fuel used.

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From the late 1970s it became increasingly apparent that engine design and technology was starting to outpace anything that was happening in fuel science at the refinery and engine manufacturers started to demand higher ‘quality’ fuels. Couple this with the advent of bio-components in road fuels – ethanol in gasoline (petrol) and FAME in diesel – along with the removal of lead and the steady reduction of sulphur, then the industry was set a huge challenge. No longer were engines being designed around the fuels available but fuel would need to be supplied to meet the demands of engine design.

The outcome, as well as involving some different fuel blends at a refinery, involves extensive use of fuel additives, notably deposit control chemistry to keep carburettors, injectors, valves and combustion chambers clean. Additionally, fuel additives can be added to the ‘package’ to guard against corrosion; to keep water out of fuel; to increase the fuel’s lubricity (critical for diesel fuel pumps and injectors); to improve a fuel’s cold-weather handling characteristics; to improve the combustion characteristics (octane rating in gasoline; cetane rating in diesel); to act as a lead-replacement; and to extend the shelf life of fuel in infrequently used vehicles.

Whether you operate a commercial vehicle or car, fuel additives should really be a fact of life in the 21st century: few, if any, modern engines and their associated exhaust treatment systems will operate at optimum performance for very long if they are only burning base fuel. The requirements of the Worldwide Fuels Charter are only realistically and cost-effectively achieved by the judicious use of appropriate fuel additives and a number of engine manufacturers are now prescribing the use of additives.


Buying fuel from a recognised forecourt brand usually means that the fuel contains at least the bare minimum of useful additives. But there are many independent and isolated retailers whose options are limited and either cannot or chose not to sell additised fuel. Also, any fleet operator with their own bulk storage tank is very likely only receiving base fuel from a refinery, terminal or fuel supplier, which does not really meet the requirements of a modern engine. This fuel can be enhanced after supply by exocet®TM additives.

exocet® Solutions

exocet® diesel and petrol fuel additives are already supplied to forecourt retailers, hauliers, bus and coach operators and resellers to provide differentiated and technically enhanced fuel.

Diesel Supreme provides a premium forecourt diesel grade to keep the engine clean, improve combustion efficiency and decease fuel consumption

Petrol Supreme – as above for petrol

Octimax boosts the octane rating of unleaded petrol to satisfy the needs of high compression ratio, high performance engines

Diesel Power Restorer is an online fuel system cleaner working within a single tank of fuel

Petrol Power Restorer on a online petrol fuel system cleaner for all fuel delivery systems including GDI

Crankcase Flush is an oil sump and gallery cleaner ensuring a head start for modern, high grade lubes

SmartDrive our online diesel particulate filter (DPF) cleaner

PowerBoost an ignition quality and rapid fuel system cleaner for diesel engines

Fuel Store Plus increases the fuel shelf life in long term of seasonal storage and inhibits microbiological growth

Anti Bug is an internationally recognised fuel soluble biocide to both kill microbial infestations and prevent their formation

Anti Wax bridges the gap between the supply of summer and winter grade fuel and increases the fuel handling capabilities in times of extreme cold weather

Diesel and Petrol Fuel Additive Benefits

• Clean up and keep clean functionality in petrol and diesel aids power delivery and fuel economy
• Octane and cetane boost to meet the needs of modern and/or high performance engines and satisfy manufacturers’ expectations
• Inhibits water pick up and resultant bug growth and/or corrosion issues in fuels with bio-components
• Reduces emissions and satisfies MOT test requirements
• Allows older vehicles to run on modern fuels

View exocet® diesel and petrol fuel additive products below:

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