Leaked documents suggest that American spies can decrypt much of the data they collect by tapping into Internet service providers and telecommunications cables.
New thermophotovoltaic materials could replace alternators in cars and save fuel.
A startup says its compressed-air technology could do a better job of storing the power generated by wind turbines.
Startup Seeo has developed batteries that store far more energy than conventional ones, which could extend the range of electric cars.
A technology intended for Mars missions may find use on solar installations in the deserts on Earth.
Hybrids are a much more cost-effective way to reduce carbon emissions than newly released hydrogen fuel cell cars.
Sonosite appears to be contemplating replacing custom hardware with a tablet computer
The Keystone XL pipeline is a distraction from what’s really needed to solve climate change.