Electric cars won't save our cities

These ‘green’ vehicles may cut pollution but still rely on fossil fuels and do not end the inactivity causing our obesity crisisYou could be forgiven for thinking that electric cars are a magic bullet for transforming the streets of the UK. London mayoral candidate Zac Goldsmith has claimed they will soon make buses in the capital redundant, and the city has launched a £100m project to encourage more people to use electric cars. There is, presumably, a clear case for saying Lon