Is A Green Mobility Scooter Really Green? The transport sector is the second-largest emitter of greenhouse gases. Are shared electric scooters dockless really green? Scooter startups such as Tier, Dott, Voi and Circ all claim they are. We grilled them on their sustainability strategy. Here's what they said. Dott's warehouses https://www.mymobilityscooters.uk/brands/green-power