Another Thin-Film Solar Casualty?
Niche provider SoloPower, which received state aid, is seeking an investor to keep operating.
Energy
Battery Could Provide a Cheap Way to Store Solar Power
Combining aspects of high-energy lithium-sulfur batteries with flow battery technology can lower costs.
A Solution to Solar Power Intermittency
Converting methane to an alternative fuel using energy from the sun could reduce carbon-dioxide emissions.
Why We Don’t Need Fisker
The failing maker of luxury hybrids is in the spotlight in DC, but technologically speaking, who cares if Fisker fails?
Supergrids
A high-power circuit breaker could finally make DC power grids practical.
Ultra-Efficient Solar Power
Doubling the efficiency of solar devices would completely change the economics of renewable energy. Here is a design that just might make it possible.
Nest Thermostat Slays Peak Power
Nest adds “energy services” with utilities to shift heavy air conditioning loads and tune home efficiency.
Earth Day Reality Check
To make real progress in cleaning the air, we need better technology.
IBM Solar Dish Does Double Duty
IBM Researchers build solar concentrator that generates electricity and enough heat for desalination or cooling.
The Enduring Technology of Coal
Despite the need to reduce carbon dioxide emissions, the burning of coal has only been accelerating.
