Is A Green Mobility Scooter Really Green? The transport sector is the second-largest contributor to greenhouse gases emissions. Are dockless electric scooters shared really green? Scooter startup companies like Tier, Dott, Voi and Circ all say they are. We inquired about their sustainability strategies. Here's what they said. Dott's warehouses https://www.mymobilityscooters.uk/brands/green-power