Is A Green Mobility Scooter Really Green? Transport is the second-largest emitter of greenhouse gases. But are electric scooters that dock with shared docks really green? All scooter startups, including Tier, Dott and Circ claim to be. We grilled them on their sustainability strategies. Here's what they said. Dott's warehouses https://www.mymobilityscooters.uk/brands/green-power