Perhaps you've seen them: three-wheeled, pedal-powered vehicles with a comfy backseat designed for two.  They're called "pedicabs" and they are all over downtown.  With the central city's dense mix of restaurants, cultural amenties, tourism, and entertainment pedicabs serve to move people relatively short distances with an aura of eco-friendly romance.

There are a several companies making their entrance into the market and one recently teamed up with the Old Town Neighborhood Association to offer eco-friendly tours of the area.

To read more about the emerging pedicab market in Portland, check out this Oregonian article.