News tagged with energy

Wind turbine payback

US researchers have carried out an environmental lifecycle assessment of 2-megawatt wind turbines mooted for a large wind farm in the US Pacific Northwest. Writing in the International Journal of Sustainable Manufacturing, they c ...

Jun 16, 2014 4.5 / 5 (12) 1

Checking up on tropical sunlight

Science is not settled on a bet or a hunch. Measurements and data feed conclusions and provide clarity. Scientists at Pacific Northwest National Laboratory found that two ground-based stations on a tropical ...

Jun 11, 2014 5 / 5 (2) 0

The fuel cell for home

It converts chemical energy directly into electrical energy. Still, there hadn't been a market breakthrough for the fuel cell. The systems were too complex. Now, Fraunhofer and Vaillant have developed a simple ...

Jun 02, 2014 4.7 / 5 (20) 7