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Re: How long can car idle on a tank of gas?
this really depends on a few things...1 how large in watts is your inverter. i say this because your amperage off of the alternator varies with engine rpm. so to get a higher RPM you will need to apply more gas thus shortening your run time.
so for a small inverter like 50 watts, it can probably run on just the idle but if you get a larger one like 1200 watts you will need to open the throttle up more to keep the power flowing.
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