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Fuel Compatibility Testing

Drop-in fuels from biomass sources are a suitable solution to meet the energy transition short term due to their high CO2 reduction potential. However, various compatibility problems can also occur during their use and lead to malfunctions and serious damage. We offer you comprehensive analysis methods and tools that cover the entire path of the fuel from the tank to the exhaust gas duct.

Key Benefits for Your Project

  • One-stop solution for fuel compatibility tests
  • Standard procedures and individual methods depending on what your fuel requires
  • Good relations to fuel producers, engine manufacturers and class societies
  • Broad experience base with many types of fuel and profound theoretical knowledge

Interested in further information? Feel free to contact our experts. Together we will find a solution to your challenges.

Detailed Information

Fuel Compatibility - A Challenge for Drop-in Fuels?

The energy transition is spurring the development of new fuels and drastically improving the market acceptance of fuels that were previously too expensive and too troublesome to use in practice. Truly alternative fuels that require extensive fuel infrastructure and engine modifications, such as methanol, methane, hydrogen and ammonia, may not be available in the near future and may exceed the investment threshold for retrofit solutions. In these scenarios, drop-in fuels with high GHG reduction potential will be the way to go. These fuels include any biomass-based fuels like

  • FAME
  • Low quality FAME
  • Pyrolysis oils
  • Lignin blends
  • Production residuals and waste to energy fuels (i.e. cashew nutshell liquid)

These products will likely not always be available in acceptable quality or will require additivation and special handling procedures. They will also be blended with conventional distillate and residual marine fuel which can alleviate some incompatibility problems but can potentially cause other incompatibilities.

FVTR provides a set of analyzing methods and tools to cover the full path of fuel from the tank to the exhaust gas duct. These tools were developed on the basis of many years of experience from customer projects and derived from public funding projects with our cooperation partner, the University of Rostock.



  • Fuel Consulting
    • Reconstruction and causal analysis of fuel related malfunctions and damage
    • Selection of additives and efficiency tests
  • Lab Tests and studies
    • Testing of fuel characteristics according to ISO8217 and DIN EN 590 and beyond
    • Lab scale testing for propensity of sludge formation, compatibility of fuel, effects of additive packages
  • Purification efficiency
    • Manual separator test bed with various options for fuel conditioning
    • Quantification, sampling and analysis of different types of sludge
  • Filtration tests
    • Replication of filter blocking problems using original engine equipment
  • Injection system compatibility
    • Studies using original pumps, injectors, filters
    • Endurance runs with part rating (micro- and macroscopic) and function tests
  • Engine tests
    • Single cylinder tests (medium speed diesel engine)
    • Performance, combustion characteristics and emissions
    • Endurance runs with subsequent component rating (liner, piston, injection system, …)
    • On-board emission measurements