A study out of the Swiss Federal Institute of Technology in Zurich has concluded that, on average, a shared e-scooter creates 51 more grams of CO2 per kilometer than the means of transport it's replacing.
Dr Abraham Leung is with the Transport Research Group at Griffith University in Queensland. He's been doing his own research into the pluses of e-scooters. This debate is not a one-way street. Dr Leung talks to Jim.