Is A Green Mobility Scooter Really Green? Transport is the second biggest source of greenhouse gas emissions. Are dockless electric scooters shared really green? All scooter startups, including Tier, Dott and Circ claim to be. We asked them about their sustainability strategies. Here's what they said. Dott's warehouses are fueled https://www.mymobilityscooters.uk/brands/green-power