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 startup companies like Tier, Dott, Voi and Circ all say they are. We grilled them on their sustainability strategies. Here's what they came up with. https://www.mymobilityscooters.uk/brands/green-power