EnerVault later this year will test its first grid-scale flow battery that uses low-cost materials and proprietary pumping system.
Abu Dhabi diversifies its energy with $600 million solar project.
Two startups combine Google Street View method with infrared imaging to show homeowners where energy is being wasted.
President pushes proposal to fund R&D with money from oil and gas leases on federal lands.
A Science article suggests a framework for monitoring research on how to cool the earth.
The mean centre of world lighting is moving east at the rate of 60 km per year, according to a new analysis of archived satellite images
The technology for making fuel from wood chips and grass is late, but still on the way.
Some studies suggest we can easily drop nuclear and fossil fuels, but they raise serious questions.
Philips invites developers to write apps for its Hue wireless LED light bulbs.
There are now many general-purpose consumer LED bulbs that give off good light. With so many, how can you tell the difference?