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Running costs of electric cars vs petrol cars according to size

Arran Cameron
15 year old 7 series BMWs sell for pocket money prices because of the low demand for such cars. Anybody who can afford to run one can probably afford to buy a much younger 7 series. However, its easy to find a buyer who will pay a handsome amount of money for a 15 year old VW Polo in good nick due to the low running costs of this car.


How does the difference in running costs between a large electric car and a small electric car compare with the difference in running costs between a large petrol car and a small petrol car?
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  • Former Community Member
    0 Former Community Member
    This is a strong argument for standardization of battery pack formats, electrical characteristics, connections etc. across brands, so that for long journeys recharge could simply be by swapping your depleted battery for a fully charged one - the task of a few minutes at an automated service station.

    Alternatively, consider replacing the present Lithium ion batteries with flow batteries, in which case you would refill at a service station by connecting to a pump which would replace your depleted fluid with charged fluid in about the same time as it takes to fill up an IC car's tank with fossil fuel.
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  • Former Community Member
    0 Former Community Member
    This is a strong argument for standardization of battery pack formats, electrical characteristics, connections etc. across brands, so that for long journeys recharge could simply be by swapping your depleted battery for a fully charged one - the task of a few minutes at an automated service station.

    Alternatively, consider replacing the present Lithium ion batteries with flow batteries, in which case you would refill at a service station by connecting to a pump which would replace your depleted fluid with charged fluid in about the same time as it takes to fill up an IC car's tank with fossil fuel.
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