Intellectual Ventures' unusual engineering projects highlighted at the annual EG meeting in Monterey.
A new approach measures the electric fields created by moving seawater.
The claim that Himalayan glaciers will disappear in 25 years is unsubstantiated.
Fisker Automotive has signed a supply agreement with the maker of nanostructured batteries.
Even without technical breakthroughs, costs for batteries could drop substantially by 2020.
Solar-panel theft is rampant in California, and this could drive up the cost even more.
With first-year funding approved, Energy Secretary Chu's flagship program is getting underway.
A network of monitoring stations and satellites could overcome objections to inspections.
Startup Cyclone Power thinks it has a way to replace internal combustion engines.
A new project will produce 845 megawatts of power.