November 8, 2010
What you need to know about solar power, electric cars and robotics. Elections come and go, yet the economy is still struggling. Campaign promises and the […]
October 27, 2010
BLUE GAP, Ariz. — For decades, coal has been an economic lifeline for the Navajos, even as mining and power plant emissions dulled the blue skies […]
October 16, 2010
Solar power is arguably the cleanest energy source there is. But it’s also relatively inefficient—arguable from a technical standpoint, perhaps, but certainly not from a practical […]
September 17, 2010
The South African Solar Challenge 2010 kicks off in Pretoria next week. The ten-day race between solar-powered cars travelling more than 4 000 km across the […]
August 11, 2010
With fossil fuel reserves depleting at a rate not many would have imagined in the past, the oil of the 21st century is definitely not what’s […]
August 8, 2010
Researchers at the University of Texas at Austin are hot on the heels of a discovery that could more than double the efficiency of solar cells. […]