Green-tech startups are splitting between those which swing for the fences and others who just try to hit safely but there's a need for both types to foster innovation.

Famed tech investor Vinod Khosla says green tech will succeed when entrepreneurs follow their vision for disruptive technologies rather than expect consumers to pay a premium for green products.

Renmatix says its new process allows it to produce cellulosic sugars--from which some types of biofuel are derived--more cheaply than ever. SmartPlanet reports from Philadelphia.

The company will ask for permission to auction off its state-of-the-art factory built with more than $500 million from the federal government.

OneRoof Energy offers solar cells integrated into roofing materials and a lease that avoids the upfront cost of installing panels.

Do you need coffee to get going every morning? So does this car, which this month broke a Guinness World Record "for vehicles run on gas from organic waste."

Originally posted at Crave

eV2g will partner with utility NRG Energy to develop a service to use plugged-in electric vehicle batteries to earn money by providing power to the grid.

commentary Lux Research analyst Matt Feinstein cuts through the noise on bankrupt solar company, and says Solyndra's inability to compete should not diminish the prospects of other U.S. solar players.

With the winter coming, CNET's Martin LaMonica gets a fresh load of home heating pellets and takes stock of the growing mix of home energy options.

With the winter coming, CNET's Martin LaMonica gets a fresh load of home heating pellets and takes stock of the growing mix of home energy options.