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      10-13-2019, 10:36 PM   #26
WestRace
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Drives: E46 M3, E90 M3
Join Date: Jun 2007
Location: Los Angels, Ca.

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It's weird that an electric car mpge is dependent on gas price or region or different power plant.

Probably this is how it should be calculated which is independent of other variables.

Quote:
The miles per gallon gasoline equivalent is based on the energy content of gasoline. The energy obtainable from burning one US gallon of gasoline is 115,000 BTU, 33.70 kWh, or 121.3 MJ.[8]

To convert the mile per gallon rating into other units of distance per unit energy used, the mile per gallon value can be multiplied by one of the following factors to obtain other units:

1 MPGe ≈ 1 mi/(33.70 kW·h)
≈ 8.696 mi/(million BTU)
≈ 0.02967 mi/kW·h
≈ 0.04775 km/kW·h
≈ 0.013 km/MJ
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