Hand built in the USA, the ELF is legally a bicycle, so it can travel on bike paths, park on sidewalks and requires no gas, license, registration or insurance.
It can travel up to 20 mph on electric power only and up to 30 mph when combined with pedaling. It can hold more than a dozen bags of groceries and can handle an amazing 350 lb. payload.…"
Comprehensive review of Elf by Sami Grover in Treehugger here.
Above text from http://organictransit.com/