Solar-powered vehicles are here – but are they really the answer?

Our solar panels occupy only a third of our roof area. Even so, on a summer day they produce about the same power our Volkswagen electric car draws as it charges from a plug in the garage.

So, to the extent that we top up during the day, we are literally driving on sunshine: nil use of resources, nil pollution, and, in the context of your article (Battery cars may eat up more than Hinkley Point’s capacity by 2030, 13 July), nil load on national power generation infrastructure. Going for a drive in serene, effortless near-silence, knowing that it hasn’t cost anybody anything, is quite simply wonderful.

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