As President Bush revs up a push for ethanol and fuel economy, the Clean Tech Investor Summit takes stock of the energy landscape.
Consumers, not technology, are the big barrier to curbing energy consumption and greenhouse gas emissions.
January 24, 2007
State of the Union address calls for renewable energy and higher fuel standards for cars. But the Iraq war was on everyone's mind.
January 23, 2007
There's growing momentum behind the idea of turning the carbon dioxide spewed from coal into a liquid or a solid and storing it in caves.
January 23, 2007
Heat mining technology can be improved and deployed broadly to generate clean electricity, says an Energy Department-sponsored report.
January 22, 2007 special coverage From solar-powered Wi-Fi to robots fueled by bacteria, researchers are rethinking the way we power our lives.
January 22, 2007 Photos: The solar house that Mike built
Self-sustaining New Jersey home uses solar power during the summer and stores up hydrogen for a rainy day.
January 20, 2007