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A combustion catalyst that travels with the fuel

Patent-protected, ferrocene-based, dosed straight into the fuel. Nothing to install.

What BEP is and how it works

BEP is a patent-protected ferrocene-based compound dosed into fuel – a tablet per 40 litres, granulate or liquid for bulk tanks. In the engine it works as a fuel-borne combustion catalyst.

Fe
Ferrocene, Fe(C₅H₅)₂

Iron at the heart of combustion

BEP dissolves in the fuel and reaches the combustion chamber with it. There its ferrocene-based compound forms very fine iron-oxide particles that help the fuel burn more completely.

Nothing to install: the fuel itself carries the catalyst.

  1. Cleaner combustion
  2. Less fuel
  3. Fewer emissions and less CO₂
  4. Less maintenance

What cleaner combustion changes

Every figure below comes from the evidence ledger, with who measured it and how strong the source is.

Less fuel

More complete combustion gets more work out of every litre.

Fewer emissions and less CO₂

Burning less fuel for the same work means less CO₂ and other greenhouse gases; more complete combustion means less soot.

Czech Railways, class 714 locomotive

Locomotives

−7.4 %

Fuel consumption

−53 %

Particulate matter

−21 %

Carbon monoxide (CO)

Measured by
České dráhy, a.s.Signed evaluation: trial under the ČD contract of 24 Sep 2015; evaluation by Boogie Energy Pill s.r.o. (today Blue Marble Services), confirmed for the ČD Brno depot by Ing. Miroslav Pražák, head of maintenance, 2 Jun 2016
Period
16 Oct 2015 – 7 Apr 2016
Tested
Locomotive 714 210-2, 23,328 km, 24,602 l of fuel; specific fuel consumption at fixed power notches
Product and dose
Tablets dissolved in diesel (BEP Diesel): 75 ml per 100 l to the end of 2015, then 50 ml per 100 l

Full signed evaluation of 2 Jun 2016, with the measured data, available on request.

Less maintenance, cleaner engines

Less soot means less load on particulate filters and EGR valves, and fewer carbon deposits inside the engine.

NUST, Zimbabwenone observedAdverse effects on enginesEndoscopy showed cleaner cylinders.Independent institution

One catalyst, three forms

BEP goes straight into the fuel and the dose follows the volume of fuel. Choose the form that fits your fleet and your tanks.

Made for dosing at scale

Today’s tablets dissolve in about three minutes; the liquid form for dosing straight into tanks was completed in 2018.

Safety data sheets in EU format (2026) are available on request.

Patent-protected technology, registered brand

Each record links to a public register, so it can be checked independently.

Patent-protected

  • CZgranted
  • EPDE · FR · GB · IT · GR
  • USgranted
  • ZAgranted
  • +23 countriesproceedings under way for the newest composition

BEP technology is protected by granted patents in the Czech Republic, five European countries (Germany, France, the United Kingdom, Italy and Greece), the United States and South Africa. The South African patent, granted in 2026, protects the newest BEP composition, developed in 2025. Patent proceedings for this composition are under way in 23 more countries: 20 ARIPO member states including Zimbabwe, Kenya and Ghana, the Democratic Republic of the Congo, Angola and Vietnam.

Granted patents

Proceedings protecting the newest composition

Patent proceedings for the newest BEP composition, already patented in South Africa, are under way in 23 more countries; Blue Marble Services s.r.o. is the applicant.

  • ARIPO – 20 African statesIn proceedings

    AP/P/2025/016251

    Zimbabwe, Botswana, Cabo Verde, Eswatini, The Gambia, Ghana, Kenya, Lesotho, Liberia, Malawi, Mozambique, Namibia, Rwanda, São Tomé and Príncipe, Sierra Leone, Seychelles, Sudan, Uganda, Tanzania, Zambia

  • Democratic Republic of the CongoIn proceedings

    CD

  • AngolaIn proceedings

    AO 4358

  • VietnamIn proceedings

    VN 1-2025-08517

Registered trademarks

  • CZ 354639

    “bep Eco Much Better Fuel”

    Czech Republic, classes 1 and 4 · valid until 3 Mar 2036

  • IR 1314415

    “bep Eco Much Better Fuel”

    International: European Union; Vietnam in proceedings · valid until 3 Mar 2036

Licence

Blue Marble Services s.r.o. is the exclusive licensee of the 2017 BEP patents – the licence is recorded in the European Patent Register, at the UK IPO and at INPI in France – and owns the 2025 patent family for the newest composition, with the South African patent and the applications in proceedings, as well as the BEP trademarks.

Frequently asked questions

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Is BEP an additive or a catalyst?

BEP is a fuel-borne combustion catalyst. It is dosed into fuel the way an additive is, and where regulations require it, it is registered as a fuel additive.

It acts catalytically during combustion: the ferrocene it contains forms very fine iron-oxide particles, which enhance soot oxidation and support more complete combustion. The catalyst is carried into the combustion chamber by the fuel itself – hence “fuel-borne combustion catalyst”.

Is it safe for my engine?

BEP has a strong record in everyday operation. In the independent NUST validation (2025) no adverse effects on the four test cars were observed, and endoscopy showed cleaner cylinders. C.S.CARGO reports that in more than two years with BEP it has not had to replace a single diesel particulate filter (DPF) or EGR valve on any of its trucks fitted with BEP.

See:NUST validation →C.S.CARGO statement →

Why isn’t BEP everywhere yet?

Because a fuel-borne catalyst has to work reliably at the scale where fuel is actually handled, and getting there took time. BEP has been developed and tested in operation in the Czech Republic since 2013 – on locomotives, construction machines, trucks and generators – in three stages: the composition (2013–2015), fast dissolution (2015–2017) and the liquid form for tanks (2018).

Today’s tablets dissolve in about three minutes, and the liquid is dosed straight into tanks at 1 litre per 1,000 litres – a form designed for dosing at scale. After the independent NUST validation, the next step is trials with fleets.

Does it meet fuel standards?

Diesel with BEP (tablet, 1 per 40 l) was tested by SGS Czech Republic, an accredited laboratory, on 23 Feb 2021 (test report No. 59449): all measured parameters were within the EN 590 limits.

Already in 2013, fuel with the first tablet met all assessed EN 590 and EN 228 parameters (VÚRUP inspection certificates).

See:SGS test, 2021 →

What about marine engines?

Marine trials are in progress. BEP works on the same combustion principle in marine diesel engines; results will be published here once the trials are complete.