August 28, 2012 at 9:22AM Spherical glass lens concentrates sunlight by up to 10,000 times, boosts solar cell efficiency
June 29, 2012 at 9:43PM Scientists develop flush-efficient toilet system that can turn waste into energy, sort before it recycles
June 21, 2012 at 6:57AM Calxeda benchmarks claim that its server chips are 15 times more power efficient than Intel's
May 23, 2012 at 5:47PM Autocar takes Gordon Murray's T.25 and T.27 city cars for a spin, gives us its impressions
May 4, 2012 at 5:27AM Buying an iPad 2? Here's the rarer, more efficient specimen you need to (somehow) track down
March 21, 2012 at 11:43AM Nissan Leaf to get minor range boost, prove Moore's Law doesn't apply to EVs
September 8, 2011 at 8:22AM Single-chip DIMM stacks integrated circuits like shingles for greater DRAM efficiency
August 2, 2011 at 4:06PM Report: data centers accounted for just 1 to 1.5 percent of electricity use last year, Google claims less than 1 percent of that
May 31, 2011 at 2:17AM NASA's new cooling pump doesn't need moving parts, set to chill out in space next month
May 17, 2011 at 7:48AM Mizzou Professor says nantenna solar sheet soaks up 90 percent of the sun's rays, puts sunscreen to shame
March 29, 2011 at 7:38PM IE9 is the most energy-efficient modern browser, according to Microsoft's own testing
March 24, 2011 at 6:17AM ST-Ericsson's PM2300 will charge smartphones and tablets twice as fast, speeding to market this fall
March 22, 2011 at 7:03PM Boeing's biggest jet takes flight, promises lowest 'seat mile' cost of any commercial airliner
March 11, 2011 at 7:17AM Purdue researchers make solar cell manufacturing cheaper, more efficient with lasers
March 4, 2011 at 1:44AM Multi-core voltage regulator uses fast voltage scaling to curb your processor's wasteful habits
February 23, 2011 at 1:13PM Sharp's Intelligent Power Conditioner works with EVs to make your house a lean, mean, solar-powered machine
October 27, 2010 at 3:29PM 'Steeper' project aims to boost electronics' power efficiency by 10x, eliminate vampire power
February 25, 2010 at 9:44AM Desktop PC components get rated for power efficiency, Intel rules the roost
February 20, 2010 at 10:33AM UMich gurus greatly reduce gadget energy consumption (at the expense of awesomeness)
December 17, 2008 at 1:33AM Plasmas from Hitachi, Pioneer, LG, Panasonic break onto the Energy Star list
November 20, 2008 at 8:29AM New wind turbines at least 30% more efficient, Earth one step closer to salvation