| 摘要 |
A method is provided for operating an internal combustion engine having a spark ignition unit. A liquid fuel is mixed with air in an injection procedure and, after ignition by the spark ignition unit, combusted while discharging mechanical power. A liquefied gas is combusted as the liquid fuel. The liquefied gas is at least partially injected using a direct injection nozzle into the combustion cylinder before the ignition by the spark ignition unit. A cooling unit cools the liquefied gas at least in a return line or a supply line.
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