Is A Green Mobility Scooter Really Green? Transport is the second-largest emitter of greenhouse gases. Are electric scooters that dock on shared streets really green? All scooter startups, including Tier, Dott and Circ claim to be. We asked them questions about their sustainability strategy. Here's how they did. Dott's warehouses https://www.mymobilityscooters.uk/brands/green-power