Startup Vortex Bladeless makes a turbine that looks intriguing, but it may not solve wind power’s challenges.
China has rapidly cleaned up its coal plants. Now comes the hard part.
Researchers say combining bacteria with nanoscale semiconductors opens a new path toward efficient artificial photosynthesis.
A few Tesla drivers are rewriting the programming in the Model S to make the car do interesting new things.
Tesla launches a stationary battery aimed at companies with variable electricity rates and homes with solar panels.
The prospects for carbon-neutral vehicles could get a boost from a new way to make hydrogen from biomass.
In a first-of-its-kind endeavor, electricity-starved Rwanda and the Democratic Republic of Congo are trying to get power from a lake—and avert catastrophe.
A new study suggests that battery-powered vehicles are close to being cost-effective for most people.
A prototype hybrid quadcopter can fly several times farther than conventional battery-powered ones.