A competition held by nonprofit ImagineH2O highlights the close connection between water and energy.
ImagineH2O, a not-for-profit company formed to...
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Rather than burning stuff to make electricity, a handful of thermoelectric-technology companies are trying to tap waste heat as an energy source.
P...
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Nissan Motor has received complaints from owners that its Leaf electric car on occasion fails to start, posing a potential setback for the automaker...
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Governments are looking at ways to keep the U.N.'s Kyoto Protocol going beyond 2012 in some form to defuse a standoff between rich and poor nations...
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The newly inaugurated Wind Technology Testing Center.
(Credit:
Matt Bennett/Massachusetts Governor's Office)
Boston is now home to the world's lar...
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The Obama administration yesterday unveiled plans to begin issuing new offshore wind energy leases as soon as next year under an accelerated approva...
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Active Power is offering an updated version of its flywheel generator specifically designed for backing up microprocessor-based equipment, the compan...
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Solar photovoltaics have the potential to be the most cost-effective electricity source and could even challenge fossil fuels within 10 years.
That...
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A pilot eSolar plant which uses sun-tracking mirrors to create heat to make steam which makes electricity through a conventional turbine.
(Credit:
...
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The United States risks major supply disruptions of rare earth metals used in clean energy products unless it diversifies its sources of the mineral...
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Where most people see a pile of leftovers or yard waste, Paul Sewell sees a revenue stream, delivering energy and valuable nutrients.
Sewell is the...
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Maxwell Technologies already makes an array of ultracapacitors used to aid in powering everything from cars to camera flashes.
(Credit:
Maxwell Tec...
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A Solar Junction wafer of high-efficiency solar cells. Each individual chip can produce about 20 watts.
(Credit:
Solar Junction)
Solar Junction's...
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A new type of solar thermal system for homes that can provide heat, hot water, and electricity is being tested in Boulder, Colo., over the next few m...
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After looking around for home energy efficiency investments for years, venture capital company General Catalyst decided to buy a majority stake in C...
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Energy-efficient glass startup Soladigm announced today that it has nabbed $30 million in third-round equity financing, led by DBL Investors and Nano ...
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In the geeky world of energy storage, there are well-understood limitations to plain old batteries and to ultracapacitors, devices able to store rel...
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