What is it about?
Using a prechamber to ignite a spark ignition engine brings benefits because it leads to very fast combustion. Using methane (natural gas, biogas, synthetic natural gas), passenger car sized engines can achieve efficiencies of more than 45%. Adding comparably small amounts of hydrogen to methane leads to even better efficiencies and less emissions (and thus a simpler exhaust gas aftertreatment).
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Why is it important?
Methane and hydrogen are very good and synergetic fuels for internal combustion engines. Methane is very hard to ignite, hydrogen is easy to ignite.
Read the Original
This page is a summary of: Efficiency and raw emission benefits from hydrogen addition to methane in a Prechamber–Equipped engine, International Journal of Hydrogen Energy, July 2020, Elsevier, DOI: 10.1016/j.ijhydene.2020.06.123.
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