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.
Volvo, Tesla, and dozens of researchers are using creative battery designs to make electric vehicles lighter.
There's a huge amount of wind off the coast of Japan, but harnessing it will be fantastically expensive.
New USB plugs will be able to handle ten times as much power, potentially changing the way we charge electronics.
Phasing out the production tax credit, and adding cost and performance requirements, could shorten the path to large-scale renewable energy.