Is A Green Mobility Scooter Really Green? Transport is the second biggest emitter of greenhouse gases. Are shared electric scooters dockless really green? Scooter startups like Tier, Dott, Voi and Circ all claim to be sustainable. are. We asked them questions about their sustainability strategies. Here's what they said. Dott's https://www.mymobilityscooters.uk/brands/green-power