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A change in fossil fuel consumption within the automotive sector is crucial due to its significant impact on climate change. This study assessed the effect of electrolyte concentration and HHO flow rate on fuel consumption in an M2 vehicle. A 2023 KARRY Q22L AC 1.2 5P 4X2 TM van, classified as M2, was equipped with a wet cell HHO gas generator powered by a variable DC source. The cell consisted of two 316 stainless steel plates, each 10 cm by 10 cm by 1.5 mm, containing 250 cm³ of electrolyte. The electrolyte was made from 1 liter of distilled water and KOH concentrations ranging from 0.5% to 1.5%. HHO flows of 1.03, 1.31, and 1.69 slpm were achieved with currents of 2, 7, and 17 A, respectively. Fuel consumption was measured gravimetrically during 40 km road tests on the Virgen de Fátima - Puerto Inca route, following the extra-urban driving cycle (EUDC) for low-power vehicles. Fuel consumption reductions of 5–8% were observed with increased HHO flow and higher KOH concentrations.

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Effect of Oxyhydrogen Gas (HHO) Addition on Fuel Consumption of M2 Category Vehicle by Road Tests

  • 会议论文

  • 出版模式：

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  • 发表日期：

    2025年

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  • Marcelo Estrella-Guayasamín,
  • Victor Vivar Quiroz,
  • Aaron Delgado Quinto,
  • Fernando Gomez Berrezueta

摘要

A change in fossil fuel consumption within the automotive sector is crucial due to its significant impact on climate change. This study assessed the effect of electrolyte concentration and HHO flow rate on fuel consumption in an M2 vehicle. A 2023 KARRY Q22L AC 1.2 5P 4X2 TM van, classified as M2, was equipped with a wet cell HHO gas generator powered by a variable DC source. The cell consisted of two 316 stainless steel plates, each 10 cm by 10 cm by 1.5 mm, containing 250 cm³ of electrolyte. The electrolyte was made from 1 liter of distilled water and KOH concentrations ranging from 0.5% to 1.5%. HHO flows of 1.03, 1.31, and 1.69 slpm were achieved with currents of 2, 7, and 17 A, respectively. Fuel consumption was measured gravimetrically during 40 km road tests on the Virgen de Fátima - Puerto Inca route, following the extra-urban driving cycle (EUDC) for low-power vehicles. Fuel consumption reductions of 5–8% were observed with increased HHO flow and higher KOH concentrations.