Using the powersave governor will prolong a running process since it will be running at the slowest frequency; therefore, it will take longer for the system to go idle and get the C state savings.
使用电能节省调控器会拖慢进程的运行，因为它会以最低的频率运行；因此，系统需要花更长的时间进入空闲状态，然后才能获得 C 电源状态节省。
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Even the best catalytic converter is unable to process 100 per cent while running at maximum temperature, so allowing the engine to idle for extended periods of time can start to clog the system.