Is A Green Mobility Scooter Really Green? Transport is the second largest source of greenhouse gas emissions. But are shared dockless electric scooters really green? Scooter startups like Tier, Dott, Voi and Circ all say they are. We asked them about their sustainability strategies. Here's how they did. Dott's warehouses https://www.mymobilityscooters.uk/brands/green-power