Stefan Bakker sees a big future for electric vehicles with two wheels. I asked Stefan to join me for this month's Reinventing Transport, after reading his “Electric Two-Wheelers, Sustainable Mobility and the City” . Learn more about Stefan Bakker via LinkedIn or ResearchGate. Electric two-wheelers, such as e-bikes, get less attention than electric cars or even electric buses. But two-wheeled electric vehicles are increasing in numbers faster and are already making more of a difference to carbon emissions than their larger cousins. Why are their numbers surging? How much potential is there? Which kinds will take off, the lighter/slower or the heavier/faster? (Do you see the double meaning in the title?) What benefits and risks/costs do they have? What policies are appropriate? Stefan and I tackled these questions and more. Here are highlights from the conversation. Stefan was prompted to write about electric two-wheelers after several years working in Southeas