Is A Green Mobility Scooter Really Green? Transport is the second-largest source of greenhouse gas emissions. Are dockless electric scooters shared really green? All scooter startups, including Tier, Dott and Circ claim to be. We questioned them about their sustainability strategy. Here's what they said. Dott's warehouses are powered by https://www.mymobilityscooters.uk/brands/green-power