News tagged with renewable energy sources

Building a sustainable hydrogen economy

The concept of the hydrogen economy (HE), in which hydrogen would replace the carbon-based fossil fuels of the twentieth century was first mooted in the 1970s. Today, HE is seen as a potential solution to the dual global ...

Dec 08, 2011
3.7 / 5 (3) 18

Nanostructures improve solar cell efficiency

To make solar cells a competitive alternative to other renewable energy sources, researchers are investigating different alternatives. A step in the right direction is through new processes that change the ...

May 26, 2011
5 / 5 (2) 0