clean tech

  • SolarCity Wins $21.5 Million Funding Round from Mayfield

    SolarCity Wins $21.5 Million Funding Round from Mayfield

    SolarCity today announced that it is taking a $21.5 million round of funding led by Mayfield Fund, and the company’s previous investors Draper Fisher Jurvetson, DBL Investors and Generation Capital. The company’s prior funding totaled approximately $134 million, and included investors First Solar, JP Morgan and Elon Musk. SolarCity helps businesses, home owners and government… Read More

  • Tesla Stock Idling 7 Percent Below IPO Price

    Tesla Stock Idling 7 Percent Below IPO Price

    After a better-than-expected pop on the first day of its IPO, Tesla’s stock (under the ticker symbol TSLA) started to slide a few days after.  It is now hanging 7 percent below its initial pricing of $17, closing at $15.80 per share today. Only a week on the market, Tesla’s stock has fluctuated greatly, trading at a high of $30.42 and dropping to a low of $14.98. While some… Read More

  • CleanTech Venture Investments Total $2 Billion In Q2, Exits Reach More Than $8 Billion

    CleanTech Venture Investments Total $2 Billion In Q2, Exits Reach More Than $8 Billion

    Clean technology remains one of the hottest areas of venture funding. In the second quarter, cleantech venture investments worldwide totaled $2.02 billion across 140 companies, according to market research firm Cleantech Group and Deloitte. The numbers are in line with last quarter’s $2.04 billion, but 43% higher than one year ago. Exits for the quarter totaled more than $8 billion… Read More

  • Home-sized fuel cells are on the way

    Home-sized fuel cells are on the way

    If you thought solar panels were too expensive to put on your house, wait ’till you hear this one. Bloom Energy, a clean energy start-up in Silicon Valley, said “Hello world” yesterday, unveiling a rather revolutionary solid oxide fuel cell unit. If all goes to plan, it should be able to put your house completely off the grid. There’s a 60 Minutes spot after the jump. Read More

  • Al Gore Joins Richard Branson in Backing GreenRoad

    Al Gore Joins Richard Branson in Backing GreenRoad

    What do a trucker, an Israeli entrepreneur, Al Gore and Richard Branson all have in common? Proof that the real goldmines are old, neglected industries. The name of that proof is GreenRoad. While so many entrepreneurs bang their heads against a Web and social media advertising brick wall, GreenRoad has applied common technology to an industry technology has largely passed by… Read More

  • "Green" Japan's newest products

    Japan is turning greener and greener by the week, it seems. This weekend, during the Eco Products 2008 exhibition in Tokyo, a total of 750 companies showcased a few hundred new environmentally friendly products and services. Four noteworthy examples are shown in the video above [JP]. The first segment is about a water heating boiler that is powered by bricks made of dried newspapers, with the… Read More

  • AirGlass: Today's little bit of wow

    AirGlass: Today's little bit of wow


    On the bus back from the Cleantech conference in Stockholm last night I spoke to an investor working with AirGlass, a type of glass that is 97% air. This is actually a sort of aerogel and weighs a mere 50Kg/m³. It would be used as a form of transparent wall and has amazing insulating potential. The product has been floating around (ha!) for a while but this is the first time I’ve seen… Read More