Powering electric cars

Battery choice

Sir, – Your motoring correspondent refers to the huge investment which is required to establish electric car charging points around the country (“Taking a smarter approach to charging electric vehicles”, Motoring, June 9th).

Surely a better solution is for manufacturers to use a small, defined range of batteries which can be easily changed in garages.

If the cars used in Formula 1 were electric this is what the teams would do and changing would probably take three or four seconds.

– Yours, etc,

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DONALD PRATT,

Ballybrack, Co Dublin.