How did Norway become the electric car superpower? Oil money, civil disobedience – and Morten from a-ha

More than 90% of new cars sold in Norway are electric. And it all started with some pop stars driving around in a jerry-built Fiat Panda. Sam Wollaston explores how oil money, civil disobedience – and Morten from a-ha helped the nation to become an electric vehicle stronghold. Read by Jonathan Booth.