Hydrogen Fuel Injection to Improve Engine Efficiency

  • Steve Gilchrist, Canadian Hydrogen Energy Company, Canada
  • Hydrogen Fuel Injection System (HFI) involves the disassociation of hydrogen and oxygen from distilled water and the injection, in measured amounts, of those gases into the air intake system of any heavy-duty diesel or gasoline engine.

    The hydrogen acts as an initiator to promote more complete combustion, resulting in dramatically reduced exhaust emissions, decreased fuel consumption (typically >10%), increased horsepower and reduced maintenance expenses. The science behind the success of HFI is threefold: the result of the faster laminar flame speed of hydrogen; the effect of “hydro-cracking” to breakdown longer diesel chains into shorter chains; and, a reaction between the hydrogen atoms and the diesel molecules whereby the hydrogen spontaneously forms highly concentrated clouds in and around the evaporating droplets of fuel. First researched by NASA and the Jet Propulsion Laboratories in 1974, the overwhelming evidence of significant improvements to fuel economy and to reductions in emissions is supported by over 60 million miles of field data over the past five years, as well as extensive third-party testing in both Canada and the United States. The technology has received Environmental Technology Verification in Canada – the first hydrogen technology to receive that designation.

    Hydrogen Fuel Injection offers the first large-scale transport application of hydrogen and serves as an excellent bridge to the fuel-cell technologies of the future. With no issues of sourcing or storage of gaseous hydrogen, HFI represents the only retrofit application of hydrogen on the one billion existing diesel and gasoline engines in use in the world today.