The Gadget Guy

A rechargeable battery the size of a small air conditioner could revolutionise how we power our homes

9th May, 2015
Elon Musk, chief executive, Tesla unveils the new Tesla Powerwall

On a recent trip to see a friend’s new electric car, I was only mildly excited. Like myself, he’s a gadget lover and again, like myself, he decided to avoid petrol stations for the foreseeable. I bought a Nissan Leaf, which I plug in, just like my smartphone, every night. It’s a safe, agile, convenient run-around that I adore and it saves me a bomb. No, it’s not the most exciting thing I’ve ever driven,...

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