Good point. My analysis isn't perfect, but it is in the ballpark and the MPGe calc does let allow a great comparison to electric cars (which was it's initial purpose). The embodied emissions of an eBike battery and motor are less than the embodied emissions of even a single aluminum bike frame so I left them out. To see what's truly possible now check out Mark Havran's solar eBike. He certainly pedals it, but it could go a long way each day on solar alone, and if he doubled the panel size it mi…