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