Solar, fuel-cell and vehicle-technology companies raised more cash in the past week as investors continued to bet big on greentech.

Here are some of the deals that caught our attention:





  • Lilliputian Systems, a fuel-cell developer in Wilmington, Mass., raised more than $20 million from DAG Ventures, Atlas Venture, Kleiner Perkins Caufield & Byers and Rockport Capital Partners, according to Private Equity Week on Friday.
  • Draths Corp., a biochemistry startup based in Okemos, Mich., raised $2.5 million of a $5 million Series B round from Khosla Ventures, according to Private Equity Hub (see Earth2Tech post).
  • Nanostellar, based in Redwood City, Calif., on Dec. 10 snagged an undisclosed amount of cash from the World Gold Council (see VentureBeat post). The nanotech company claims its catalytic-converter technology can cut costs while reducing emissions from diesel engines.
  • Ocean Renewable Power Co., a Fall River, Mass.-based tidal-energy startup, caught $300,000 in seed funding from the Massachusetts Technology Collaborative, according to a newsletter published Tuesday. VentureWire has reported that Ocean Renewable Power is in the process of raising $12 million.
  • Two Chinese cleantech companies also announced plans to go public last week. Biodiesel producer Gushan Environmental Energy filed for a $250 million IPO on the New York Stock Exchange and plans to list under the ticker "GU" (see Biofuel Forecast Buoys a Bit). Wind-power equipment manufacturer Goldwind Science & Technology Co. plans to raise 1.8 billion yuan (about $244.2 million) in an IPO on the Shenzhen Stock Exchange.