http://www.youtube.com/watch?v=98rXCoEk6vE
http://www.bikeforest.com/?p=77
http://www.blogto.com/arts/2007/12/vidto_pedal_power_vs_toronto_police/
http://www.ecofriend.org/images/bicytaxi.jpg

Bike machines can be semi-motorized, they can be enclosed (rather than leaving riders exposed to the wind and what not), and they can be collaboratively peddled; we have a lot of options.

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Update -
Related blog posts -
"The Twike"
"Velomobiles"

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Toban Black
(http://tobanblack.net/blog/)