‘It’s only when you see 49-ton trucks in China running on batteries that you realize how serious electrification is’: Octopus Energy CEO Greg Jackson on Europe's incumbency problem

In 2015, Greg Jackson founded Octopus Energy, now one of the biggest energy suppliers in Europe. He talks to Fortune about the continent’s electrification challenge—and reveals the one decision he took at the beginning of his career that changed the way he does business.