Study investigates power generation from the meeting of river water and seawater
Where the river meets the sea, there is the potential to harness a significant amount of renewable energy, according to a team of mechanical engineers at MIT.
Recycling old batteries into solar cells
This could be a classic win-win solution: A system proposed by researchers at MIT recycles materials from discarded car batteries—a potential source of lead pollution—into new, long-lasting solar panels ...
Qnovo finds way to speed up smartphone charging
Charging with ultrasound: uBeam has functional prototype
Qi wireless charging standard offers more design freedom
Cool roofs in China can save energy and reduce emissions
(Phys.org) —Working with Chinese researchers, the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) has conducted the first comprehensive study of cool roofs in China and concluded ...
London transport body to test battery-charging at bus stands
Indonesia passes law to tap volcano power
The Indonesian parliament on Tuesday passed a long-awaited law to bolster the geothermal energy industry and tap the power of the vast archipelago's scores of volcanoes.
New type of solar concentrator doesn't block the view
(Phys.org) —A team of researchers at Michigan State University has developed a new type of solar concentrator that when placed over a window creates solar energy while allowing people to actually see through ...
Asian inventions dominate energy storage systems
In recent years, the number of patent applications for electrochemical energy storage technologies has soared. According to a study by the Technical University Munich, the largest volume of applications is ...
Green power blooms as Japan unveils 'hydrangea solar cell'
A solar cell that resembles a flower is offering a new take on green energy in Japan, where one scientist is searching for renewables that look good.
Why the hydrogen fuel cell vehicle rollout may now succeed
A convergence of factors is propelling a market rollout of the hydrogen fuel cell vehicle, according to a new study from the Institute of Transportation Studies at the University of California, Davis. A key ...
Making an e-bike out of a bicycle with conversion kit
Thermoelectric devices turn waste heat into electricity for vehicles and other machines
It's estimated that more than half of U.S. energy—from vehicles and heavy equipment, for instance—is wasted as heat. Mostly, this waste heat simply escapes into the air. But that's beginning to change, ...