Clean cars?

The Sunday Telegraph - - Letters To The Editor -

SIR – John Easey (Let­ters, Septem­ber 10) points out how im­prac­ti­cal it would be to change the bat­tery in his Tesla at a ser­vice sta­tion, as it weighs 1,190lb. That’s not the only prob­lem with his bat­tery – and, in­deed, all elec­tric cars.

Ac­cord­ing to IVL, the Swedish En­vi­ron­ment In­sti­tute, the bat­ter­ies of elec­tric cars are not en­vi­ron­men­tally friendly when man­u­fac­tured, with sev­eral tons of CO2 be­ing re­leased be­fore they leave the fac­tory.

As soon as you buy a Tesla model S, around 17.5 tons of CO2 have been re­leased (even the small bat­tery in a Nis­san Leaf emits more than 5 tons).

IVL con­cludes that you would need to drive a petrol or diesel car for more than eight years be­fore it has re­leased as much CO2 as the Tesla’s bat­tery. Bernard Brewer

Mil­ford on Sea, Hamp­shire

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