10 Orange Street, Haymarket, London, WC2H 7DQ, United Kingdom

+44 (0)20 3441 5363


Our advanced, proprietary fuel additives are unique and made from natural, biodegradable ingredients; reducing the production of harmful, environmentally damaging greenhouse gas emissions.

Simple to use and immediately effective, SulNOx Group currently has three successful products in the global marketplace: Berol® 6446 HFO Fuel Emulsifier, the SulNOxEco™ Diesel Conditioner and SulNOxEco™ Petrol Conditioner which enhance all diesel, petrol and biofuels by improving the burn profile, therefore reducing emissions whilst saving users money.

Berol® 6446 HFO Fuel Emulsifier

Significantly reduces toxic emissions, saves your business money and reduces the wear and maintenance of your engines, burners, boilers and heat exchangers.

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SulNOxEco™ Fuel Conditioner

Enhances all light fuels including Gasoline, regular Diesel, Marine Diesel Oil (MDO), Marine Gas Oil (MGO), Biofuels including Hydrotreated Vegetable Oils (HVO) and Kerosene,
by improving the burn profile, adding lubricity, reducing corrosion and removing engine residue.

Diesel Conditioner Petrol Conditioner

Product Features and Benefits

Cost Savings

  • Reduced fuel consumption (8% average in 1.2 million mile road test)
  • Reduction in maintenance costs (1-2% average)
  • Reduction in downtime for fleet vehicles
  • Reduction in fuel storage costs

Positive Environmental Impacts

  • Reduced fossil fuel consumption
  • Significant reduction in emissions, NOx, CO & CO2 output
  • Decarbonisation - less smoke, soot and harmful particulate matter (PMs)
  • Improvement in overall air quality (PM10 reduced > 50% and PM2.5 > 60%)

Improved Engine Performance & Health

  • Detergents and surfactants increase fuel lubricity, reducing engine wear
  • Reduced fouling of ignition, diesel filters and fuelling components
  • Lowered exhaust temperature and quieter engine
  • Reduced contamination of engine oil
  • Increased preservation of engine and turbo life
  • Significantly reduces Exhaust Gas Recirculation (EGR) system load

No Compatibility Issues

  • Diesel Certificate EN590 & ASTM D975
  • Petrol/Gasoline Certificate EN228 (E5, E10) & ASTM D4814
  • Biofuels Certificate EN16709 (B20, B30)
  • Marine Fuels Certificate ISO 8217