Organic Transit is now shipping the Elf, which is great! They ended up raising over $223,000 which is way over their target. Here are some new concept computer models of future Elf's, including a tandem 2 seat design:

Here is an article that shows (what I think is) the production Elf:
ELF: Hybrid Solar / Pedal Vehicle by Organic Transit | Ubergizmo
ELF-Organic-Transit-01photo fromELF: Hybrid Solar / Pedal Vehicle by Organic Transit - Ubergizmo