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Old 09-07-2019, 12:39 PM   #37 (permalink)
teoman
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A3 - '12 Audi A3
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4Ah * 12v = 48 Wh

1 liter of fuel is 40 MJ = 11kwh
If we assume terrible IC and alternator efficiency that is 1kWh of electricity produced.

So you saved 0.048 liters of fuel.

In roughly 20 days (or a work month) you save a liter of fuel.
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