April 20, 2011, 5am PDT
Pacific Gas and Electric (PG&E) has opened a new testing facility in San Ramon, California to experiment with smart grid technology. They're currently testing new systems for reducing outages.
November 29, 2010, 7am PST
Could sand be the next great paving material? Thomas Kosbau and Andrew Wetzler recently won a design competition in Korea with their idea to combine sand with a bacteria that turns sand to stone.
November 8, 2010, 9am PST
Last year, the idea that diesel fuel could be created using algae was all over the news. Unfortunately, the effort can only work on a very small scale that makes no sense, says Jonathan Marshall of PG&E.