Fuel additives to suit your business

​Through long-standing partnerships with some of the industry’s most reputable and market-leading additive manufacturers, Certas Energy is proud to offer an extensive range of high-quality fuel additives for your business needs. Whether you’re looking to enhance fuel efficiency, improve engine performance, or reduce maintenance costs, our reliable and competitive fuel and additive supply ensures your operations keep running smoothly, day in and day out.

Diesel nozzle from commercial fuel tank filling a tractor.

Fuel Additives

Problem Solvers

Fuel additive products that act to minimise the effect of field problems associated with ever-changing base fuel.

Diesel Defender

Diesel Defender is a liquid anti-theft marker dye permitted for use in UK non-rebated fuel, typically known as white diesel, road diesel or DERV. The liquid blue dye colours white diesel to produce a green fuel, making it distinguishable from white diesel for personal use.

It acts as a powerful deterrent to thieves, improving traceability, impacting resale value, and exposing non-commercial use.

It can be used in a wide range of applications, including construction equipment, cooling or heating units in road and rail transport, airport vehicles, forklift trucks, electricity generation and heating for commercial premises.

Tank stickers can be supplied on request to advertise that the fuel has been dyed to prevent theft.

Features:

  • No issues with identification, quantification, and classification of marked rebated fuels.
  • Notified with HMRC.
  • No interference with statutory markers so will not give false positive results on any roadside tests.
  • Unique chromatic profile distinct from statutory markers and does not impede their measurement.
  • Complies with Regulation 14(3) of the Hydrocarbon Oil (marking) Regulations 2002.

When to use:

  • To demonstrate importance of operational investment on site.
  • To show that fuel use is being closely monitored and can be traced.
  • If there is a fear or suspicion of theft by external persons or internal staff.
  • With each fuel delivery.

Fuel Additives

Fuel Enhancers

Use fuel additives to upgrade fuel quality, improve equipment efficiency and avoid potential operational problems whilst substantially enhancing performance.

Gas Oil Supreme

Gas Oil Supreme is an advanced fuel additive designed to benefit both mineral diesel and biofuel blends. It is a gas oil (BS2869:A2) upgrade product formulated to allow modern diesel engines calibrated on EN590 DERV to run on red diesel. It prevents deposit formation throughout the fuel delivery system, especially in the injectors and fuel pump, to keep the system clean and running at optimum performance. It also compensates for some of the deleterious effects of a higher FAME content e.g. tendency for water pick-up. The product will additionally enhance the performance of older vehicles.

The Benefits:

  • Increased Cetane Number: This enables easier starting, increased pulling power and smoother power delivery. It reduces visible emissions (smoke) and improves combustion efficiency whilst aligning with modern engine calibrations.
  • Reduced Deposit Formation: Keeps injectors clean in high pressure and prevents injectors sticking and over fuelling. It maintains injector spray pattern and prevents nozzle coking in older engines. It both reduces fuel consumption and emissions while protecting against corrosion.
  • Increased Fuel Lubricity: Compensates for sulphur reduction, protecting against premature wear in fuel pumps and fuel injectors and also reduces friction.
  • Enhanced Water Resistance: Prevents emulsions forming and resultant filter blockages, keeping water out of the fuel.

When to use gas oil supreme?

  • The FAME content of the fuel is known to have increased.
  • Vehicle lacks power.
  • Misfires or ‘runs rough’.
  • Engine manufacturer recommends the use of an additive.
  • Excessive smoke is observed.
  • Fuel is being used in a tier III or later vehicle (typically post 2005).

WHY USE ADDITIVES TO IMPROVE FUEL QUALITY?

  • New engines and boilers are not suited to current fuel quality
  • Fuel sulphur reduction has, through a series of unintended consequences, caused quality problems
  • Fuel imports and the use of cheaper components has resulted in poorer quality fuels
  • Environmental targets are calling for higher quality fuels
  • Additives can aid fuel economy and performance
  • Variable bio-diesel production quality
  • Outdated fuel specifications
  • Prevent FAME related disruption
AdBlue® Additive cap on an engine

Additives prevent FAME-related disruption

Have you heard about about the industry-wide RTFO changes to bio-fuel (FAME) levels in gas oil and road diesel? Discover what FAME is, how the regulations have changed and how to prevent FAME-related disruption with our range of additives and FAME-free fuel alternatives in our free guide to FAME.

RTFO PDF image

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Description

Our Services

Discover how we can help transform your business with our comprehensive range of professional services

  • Diesel

    Diesel

    We deliver high-quality diesel for fleets, machinery and commercial operations. Bulk diesel options are available for delivery nationwide.

  • HVO

    HVO

    Switch to renewable diesel Hydrotreated Vegetable Oil (HVO) today and cut your business’ fuel-related greenhouse gas emissions by up to 90% instantly.

    HVO
  • GTL

    GTL

    The cleaner, quieter, longer-lasting alternative to standard diesel.

    GTL
  • Therma35

    Therma35

    Therma35 is a cost-effective alternative to conventional gas oil for industrial heating applications.

  • AdBlue

    AdBlue

    Meet the emission standards, regulations and legislation for your commercial diesel vehicles and machinery.

  • Commercial Fuel Tanks

    Commercial Fuel Tanks

    Upgrade or introduce tank and telemetry solutions for compliant, assured and safe fuel supply and management.

  • Fuel Cards

    Fuel Cards

    Save money, improve payment security, and simplify fleet fuel management so you can keep operations running smoothly.

  • Industrial Lubricants

    Industrial Lubricants

    We provide customers across all sectors with a market leading portfolio of lubricants, oils and greases, alongside an ever-increasing range of lubricant services and solutions.

  • Red Diesel/Gas Oil

    Red Diesel/Gas Oil

    Red diesel, also known as gas oil, 35-second oil, or rebated diesel, is chemically identical to regular (white) road diesel.

Get in touch

Let us know what you are looking for via this form and one of the team will be in touch to help you with more information.

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Certas Energy is part of DCC Energy, of DCC plc

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