Millions of the world's poorest lack power. Microgrids could be a clean-energy solution.
Startup Aquion prepares to ramp up production of products for storing power in remote microgrids.
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Polymer glue helps fracture-prone high-capacity batteries last through more charges.
Toyota says it has reduced the cost of fuel cells significantly enough to sell hydrogen cars for under $100,000.
Stanford researchers say new materials could help lower the cost of producing fuel with solar energy.
A material described in Nature could help lead the way to high-efficiency, inexpensive solar cells.
As the solar industry matures, it better start worrying about dust, as SunPower is with its solar panel washer acquisition.
In a smart city, every electric vehicle must have access to a charging station within its driving range. So how should these stations be located? The good news: computer scientists have solved the general version of this problem. The bad news: it's NP-hard.
A startup is trying to demonstrate that carbon dioxide can be used to make clean geothermal power economical and far more widespread.
Musk says battery cell capacity will need to double worldwide for Tesla to produce a mass-market electric car.
By making silicon wafers cheaper, 1366 hopes to ride the next boom in solar power.
A new study from the National Center for Atmospheric Research says geoengineering could decrease rainfall compared to pre-industrial periods.