Ikanos Power, from the University of Michigan, was one of the semifinalist teams in the Clean Energy Competition. Photo: Liv Gold

Ikanos Power, from the University of Michigan, was one of the semifinalist teams in the Clean Energy Competition. Photo: Liv Gold

Yesterday afternoon, over 25 semifinalist teams in the MIT Clean Energy Prize competition crammed into a conference room in the Sheraton Boston for an afternoon of judging and  exhibition.

The event, which is sponsored by NSTAR and the US Department of Energy, is a business plan competition that is open to full time students in the US. Over $500,000 in cash and other prizes are to be awarded to the grand prize winning team and to category winners. The five winners announced yesterday will proceed to the grand prize judging. By category, they are:

1. Biomass
Husk Insulation, from the University of Michigan: Agricultural waste to thin high-grade insulation

2. Clean hydrocarbons
Produced Water Purifiers, from MIT: Polymer super-adsorbent technology for petroleum collection

3. Energy Efficiency and Infrastructure
Troy Research Corporation, from RPI: Deep ultraviolet solid state lighting

4. Renewables
Heliotrope Solar, from MIT and Yale: Low-cost non-mechanical solar tracking

5. Transportation
Levant Power, from MIT: Innovative regenerative suspension system for improved vehicle fuel economy and handling

Congratulations to the finalists! Catch the grand prize announcement on May 12th at 2:00pm at the Wong Auditorium, Building E51, MIT (70 Memorial Drive, Cambridge MA).