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This study investigates the adaptation of a hydrogen supply system for gasoline-powered engines, focusing on the integration of hydrogen as a dual-fuel with gasoline to improve engine performance and reduce carbon-based emissions. The findings reveal that hydrogen significantly influences the combustion process, enhancing energy efficiency and lowering the emission of harmful gases. Experimental results show that hydrogen addition reduces brake specific fuel consumption (BSFC) and carbon-based emissions, such as carbon monoxide (CO), carbon dioxide (CO2), and hydrocarbons (HC), depending on the hydrogen concentration. The most notable reduction in emissions was observed with a 30% hydrogen blend, leading to a decrease in CO by 45%, CO2 by 54%, and HC by 80%. However, an increase in nitrogen oxide (NOx) emissions was observed, particularly at higher hydrogen concentrations, due to the accelerated combustion rate. The study highlights the potential of hydrogen as a promising alternative fuel, offering significant reductions in fossil fuel consumption and greenhouse gas emissions, while acknowledging challenges in managing NOx emissions. Further research on exhaust gas recirculation (EGR) systems and advanced engine control algorithms is recommended to optimize performance, fuel economy, and emissions for practical applications in dual-fuel systems.

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Synergy of Two Energy Sources: Hydrogen Supply System Adaptation for Gasoline-Powered Engines

  • 会议论文

  • 发表日期：

    2026年

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  • Saugirdas Pukalskas,
  • Alfredas Rimkus,
  • Romualdas Juknelevičius,
  • Paweł Droździel,
  • Andrius Ušinskas,
  • Gabrielius Mejeras,
  • Saulius Stravinskas,
  • Donatas Kriaučiūnas,
  • Tadas Vipartas

摘要

This study investigates the adaptation of a hydrogen supply system for gasoline-powered engines, focusing on the integration of hydrogen as a dual-fuel with gasoline to improve engine performance and reduce carbon-based emissions. The findings reveal that hydrogen significantly influences the combustion process, enhancing energy efficiency and lowering the emission of harmful gases. Experimental results show that hydrogen addition reduces brake specific fuel consumption (BSFC) and carbon-based emissions, such as carbon monoxide (CO), carbon dioxide (CO2), and hydrocarbons (HC), depending on the hydrogen concentration. The most notable reduction in emissions was observed with a 30% hydrogen blend, leading to a decrease in CO by 45%, CO2 by 54%, and HC by 80%. However, an increase in nitrogen oxide (NOx) emissions was observed, particularly at higher hydrogen concentrations, due to the accelerated combustion rate. The study highlights the potential of hydrogen as a promising alternative fuel, offering significant reductions in fossil fuel consumption and greenhouse gas emissions, while acknowledging challenges in managing NOx emissions. Further research on exhaust gas recirculation (EGR) systems and advanced engine control algorithms is recommended to optimize performance, fuel economy, and emissions for practical applications in dual-fuel systems.