Some owners are converting their vehicles into EVs. The idea is to boost the performance of these cars and make them ready for a green future. The process is not cheap - it requires specialists who can retain the vintage value of these cars while fitting them with a modern electric engine. Critics feel that such a transition takes away the emotional and engineering legacy of these vehicles. So we travel across the UK to find out about the challenges and the future of this niche business that is helping classic cars go electric.Produced and presented by Devina Gupta.(Image: 'Isetta', owned by Aleks Hughes which has been converted to electric. Credit: Richard Heeley, Bite the Hand)