September 10, 2025Journal of energy resources technology.

Analysis of Performance and Emission Trends in Spark Ignition Engines Using Hydrogen-Enriched Compressed Natural Gas (HCNG) Blends

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The 15% HCNG blend shows a 6.25% increase in engine torque, reaching 34.4 N·m.
Brake thermal efficiency improves by 13.8% with HCNG, highlighting its performance benefits over conventional fuels.
Using 15% HCNG results in a 40.6% reduction in hydrocarbon emissions and a 32% drop in CO2 emissions.
NOx emissions increase by 10.1% due to higher combustion temperatures, suggesting trade-offs in emission profiles.

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Implication

Experimental analysis shows HCNG blends improve performance and reduce emissions in spark ignition engines, indicating potential for sustainable fuel use.

Cite This Study

Anand et al. (2025) studied this question.

synapsesocial.com/papers/68c23f1fb210217d647958a8 https://doi.org/10.1115/1.4069309

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Implication

Experimental analysis shows HCNG blends improve performance and reduce emissions in spark ignition engines, indicating potential for sustainable fuel use.

Analysis of Performance and Emission Trends in Spark Ignition Engines Using Hydrogen-Enriched Compressed Natural Gas (HCNG) Blends

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Discussion

Implication

Cite This Study

Analysis of Performance and Emission Trends in Spark Ignition Engines Using Hydrogen-Enriched Compressed Natural Gas (HCNG) Blends

Key Points

Discussion

Implication

Cite This Study

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