Cool companies at Cleantech 2007

May 23 - Inside GreenTech - Cleantech 2007, which kicked off today in the heart of Silicon Valley, took a markedly more scientific slant than your average cleantech event.

In the most dramatic illustration of its technical focus, instead of traditional vendor exhibits, at several points in the day attendees were invited to lose themselves in a veritable maze of more than a hundred modest, academic symposium-style tabletop displays. It was a refreshingly low tech, low-glitz opportunity to ask researchers and nascent startups about what they were doing.

While the majority of the exhibits were nanotech-focused, given that the show was co-hosted with a larger nanotech event, a little digging uncovered some potential cleantech jems.
So, herewith, we thought it would be fun to bring you three of the most interesting startup companies we talked to—three that we'll bet you've never heard of. Read More.