Here are the top cleantech stories we’re following today on the GreenBeat:

Kleiner Perkins appears to be refocusing its portfolio back on the Internet and away from cleantech, according to Fortune. Earth2Tech notes Kleiner partner John Doerr has pointed out that while Google IPO’d for $25 million, the company’s fuel cell investment Bloom Energy has taken $250 million and could take nine years to get to a successful offering.

Natural gas vehicles are gaining the most traction in developing markets like Pakistan, Iran, Argentina and Brazil. The areas have narrow oil refining capacity and some face the risk of sanctions decreasing oil supply, but hey have abundant natural gas reserves, the WSJ writes.

Companies are pushing to grab a piece of the smart grid pie in China, which is estimated to be worth $100 billion over the next five years, Reuters writes.

Google is working on a solar thermal power generation project, and the company’s green energy czar Bill Weihl told the Wall Street Journal the technology should be ready to be commercialized in a couple of years. “Most likely we’d license it to get it to market,” Weihl said.

Honeywell is launching a small, residential wind turbine at Ace hardware stores. The unit is called Windtronics and will sell for $6,500, according to Green Building Elements.

Electric vehicle startup KleenSpeed has launched a $15,000 electric car system, Earth2Tech writes.

[Image via Flickr/stevendepolo]