clean tech

Income inequality pierced its previous record high in 2008 -- a fitting legacy for President George W. Bush. Fresh census figures reveal that the ratio of the incomes of the top 10 percent of Americans -- over $138,000 a year -- to those at the poverty level -- $12,000 -- was 11.4 times. (The...

With Thursday's successful IPO of A123 Systems (AONE) -- this lithium battery maker for electric cars saw its stock rise 50.4 percent on its first day of trading -- many clean-tech companies are now considering public offerings. Evidently, it does not take a profit to justify an IPO because A123 is...

If conventional wisdom mattered, super venture capitalist Vinod Khosla could not have picked a worse time to launch a massive venture capital fund focused on extremely risky green technology investments. Yet Khosla, a VC legend in Silicon Valley, not only pulled it off but ended up money away,...

Despite tumultuous global financial market conditions, private equity investments in the clean technology ("cleantech") space showed resilience last year. Investors are reconsidering their overall exposures to private equity -- and this includes cleantech -- but they are still operating in the...