Caption:Electric vehicles are undoubtedly a form of transport with a future, but many technical challenges have to be overcome before they replace petrol and diesel-fuelled cars.
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Further information:Researchers in Zaragoza in northern Spain are working on resolving one of the biggest problems; how to efficiently recharge batteries. The scientists involved in the EU-supported "Unplugged project" have developed an innovative wireless charging station for electric vehicles. Unlike other systems it can charge electric cars or vans in around 20 minutes.
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