Submitted by Live_Strongerrr t3_10o8vih in explainlikeimfive
UglySuperhero t1_j6d9wla wrote
Reply to comment by [deleted] in Eli5 why aren't gas only vehicles far more fuel efficient than before by Live_Strongerrr
When the car is off the power comes from the battery. The batt gets charged by the alternator when the engine is running.
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