Benefits of Water-Fuel Emulsion on Automotive Diesel Exhaust Emissions

  • K. Lombaert
  • L. Le Moyne
  • P. Guibert
  • J. Tardieu de Maleissye
  • J. Amouroux
Conference paper


Water fuel emulsion is widely used to control pollutant emissions in large and medium diesel engines. The application of this fuel to small automotive engines has been limited by the emulsion stability and economic difficulties to calibrate engine parameters for a new fuel. This work is focused on the effects of the use of water fuel emulsion on standard automotive engines performances and on pollutant emissions. No specific calibration or modification of engine has been carried. The effective benefits of water fuel emulsion combustion are explained. Particularly, emitted particulates are reduced by half, EPA referenced PAH concentration in the particulate are reduced by a factor of three, and NOx by 40 %, compared to the same engine operating on standard commercial fuel. Both standard and common rail direct injection systems were tested and a special study was dedicated to cold start pollutants showing the large production of carcinogenic compounds.


Polycyclic Aromatic Hydrocarbon Diesel Engine Cold Start Common Rail Fuel Composition 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



Volatile Organic compounds


Monoxide Carbon


Unburned Hydrocarbons


Soluble Organic Fraction


Break Mean Effective Pressure


Carbon Dioxide


Exhaust Gas Recirculation


Accelerated Solvent Extractor


Gas Chromatography coupled to Mass Spectrometry


Ionization Flame Detector


Environmental Protection Agency


Particulate Matter with aerodynamic diameter lower to 10 μm


Non-Dispersive Infra-Red


Solid Phase Micro-Extraction


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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • K. Lombaert
    • 1
  • L. Le Moyne
    • 1
  • P. Guibert
    • 1
  • J. Tardieu de Maleissye
    • 1
  • J. Amouroux
    • 2
  1. 1.Laboratoire de Mécanique physiqueCNRS — UMR 7068Saint Cyr l’EcoleFrance
  2. 2.Laboratoire de Génie des Procédés Plasma et de Traitement de SurfaceENSCPParisFrance

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