Vibration energy the secret to self-powered electronics

A multi-university team of engineers has developed what could be a promising solution for charging smartphone batteries on the go — without the need for an electrical cord.

This ethanol refinery is self-powered

A central issue of the food vs. fuel debate has long been the use of farmland for growing crops for biofuels.

How to power your laptop by typing

You could soon be able to charge your phone or laptop simply by sending a message, thanks to some nifty work from Australia's RMIT University.

Self-powered robotic sub developed

NASA, the US Navy and Scripps Institution of Oceanography at UC San Diego have successfully tested the first robotic underwater vehicle to be powered entirely by natural ocean thermal energy.