1. Literature review on CNG/ H2 mixtures for heavy-duty CNG vehicles, report, Brussels, 2021.
2. New combustion modelling approach for methane-hydrogen fueled engines using machine learning and engine virtualization;Molina;Energies,2021
3. Development and comparative experimental investigations of laser plasma and spark plasma ignited hydrogen enriched compressed natural gas fueled engine;Prasad;Energy,2021
4. Information on https://en.wikipedia.org.
5. Application of hydrogen enriched natural gas in spark ignition IC engines: from fundamental fuel properties to engine performances and emissions;Fuwu;Renew Sustain Energy Rev,2018