Military agency aims for fuel efficiency with the help of conservation programme
Networking and smart grid software firm completes $151m IPO
Web giant focuses on signing up US partners to smart grid project
US utility attempts to draw line under decision to leave trade group that opposed carbon legislation
Center for Biological Diversity announces lawsuit against EPA over its failure to recognise threat from increasingly acidic oceans
New bill calls for nationwide policy for enhancing grid transmission efficiency
Norwegian government condemned by green groups after failing to block StatoilHydro's investment in a controversial Canadian tar sands project
Renewable energy monitoring specialist announces tie-up with Spanish communications firm as it seeks to break into booming market
Just weeks after investing in lithium-ion battery firm A123, GE announces plans for new $100m sodium cell battery plant in Upstate New York
Suntech Power and Schott Solar announce plans for new US production plants as demand for panels continues to climb