How green is an electric car?

With the UK set to ban the sale of new petrol and diesel cars by 2030, more of us are considering the switch to electric. But, with the environmental impact of making the batteries, and the need to generate the electricity to charge them, what is truly the greenest option - go electric or stick with a petrol or diesel car? 

In this Which? investigation Greg Foot reveals how these ‘zero emission’ cars don’t come with zero footprint, he asks whether the UK is ready for such a dramatic change to our transport infrastructure, and discusses whether the switch to electric is actually feasible for many of us in the UK?

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