(Phys.org) -- Renewable energy technologies generally consist of two distinct processes: energy generation (using sources such as coal, solar, wind, etc.) and energy storage (such as batteries). These two processes are always ...
Alternative energy sources that are cost-competitive with fossil fuels may be closer than most people realize. Recent renewable energy research has shown that solar, hydropower, wind and other alternative sources are closing ...
Energy & Green Tech
Aug 1, 2012
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A debate has raged in the past couple of years as to whether natural gas is better or worse overall than coal and oil from a global warming perspective. The back- and-forth findings have been due to the timelines taken into ...
Environment
Jul 18, 2012
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A new biofuel production process created by Michigan State University researchers produces energy more than 20 times higher than existing methods.
Energy & Green Tech
Jul 10, 2012
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A new study--which includes the first large-scale comparison of fungi that cause rot decay--suggests that the evolution of a type of fungi known as white rot may have brought an end to a 60-million-year-long period of coal ...
Biotechnology
Jun 28, 2012
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Scientists from Nanyang Technological University (NTU) have invented a new toilet system that will turn human waste into electricity and fertilisers and also reduce the amount of water needed for flushing by up to 90 per ...
Energy & Green Tech
Jun 26, 2012
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Sea waves are a renewable and inexhaustible resource found in abundance across the planet. But efficiently converting sea wave motion into electrical energy has been challenging, in part due to the difficulty of compensating ...
Energy & Green Tech
Jun 22, 2012
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For a country with so much sunlight, some might think Australia has been slow to adapt its electricity generation mix to include solar power. One of the main reasons for this is solar intermittency.
Energy & Green Tech
Jun 14, 2012
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To successfully reduce the United States' dependence on fuels from outside North America, the government must pursue policies that foster the diversion of Canadian oil sands crude to U.S. Gulf Coast refineries, according ...
Environment
Jun 11, 2012
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A new development from Siemens makes it possible for operators of electric arc furnaces to obtain electricity from hot exhaust gases. Around 20 percent of the electricity required to melt steel scrap could be recovered with ...
Energy & Green Tech
Jun 11, 2012
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