Energy news

Mercedes Hyper concept cutaway showing major components

Hybrid Cars -- Pros and Cons

Technology / Energy

created Jan 19, 2006 | popularity 3.6 / 5 (793) | comments 1

If you listen to the makers, hybrid cars are the best invention since sliced bread. While there are many reasons to buy a hybrid car, including a new tax incentive for US owners, it helps to have a good understanding ...


Solar Cell

40% efficient solar cells to be used for solar electricity

Technology / Energy

created Jun 01, 2007 | popularity 4.6 / 5 (456) | comments 0

Scientists from Spectrolab, Inc., a subsidiary of Boeing, have recently published their research on the fabrication of solar cells that surpass the 40% efficiency milestone—the highest efficiency achieved ...


Why a hydrogen economy doesn't make sense

Why a hydrogen economy doesn't make sense

Technology / Energy

created Dec 11, 2006 | popularity 4.2 / 5 (435) | comments 13

In a recent study, fuel cell expert Ulf Bossel explains that a hydrogen economy is a wasteful economy. The large amount of energy required to isolate hydrogen from natural compounds (water, natural gas, biomass), ...


Water Refineries?

Scientists mimic essence of plants' energy storage system

Technology / Energy

created Jul 31, 2008 | popularity 4.7 / 5 (307) | comments 46

In a revolutionary leap that could transform solar power from a marginal, boutique alternative into a mainstream energy source, MIT researchers have overcome a major barrier to large-scale solar power: storing ...


Hyperion nuclear reactor

Mini Nuclear Power Plants Could Power 20,000 Homes (Update)

Technology / Energy

created Nov 12, 2008 | popularity 4.6 / 5 (240) | comments 102

(PhysOrg.com) -- Underground nuclear power plants no bigger than a hot tub may soon provide electricity for communities around the world. Measuring about 1.5 meters across, the mini reactors can each power ...


Micro Fuel Cells Get Closer to Replacing Batteries

Micro Fuel Cells Get Closer to Replacing Batteries

Technology / Energy

created Nov 17, 2008 | popularity 4.5 / 5 (121) | comments 16

(PhysOrg.com) -- Mobile electronics have the potential to offer digital luxuries beyond our imagination, but they will never get there on today’s lithium ion batteries. Power has been the weak spot in the ...


H2CAR could fuel entire U.S. transportation sector

H2CAR could fuel entire U.S. transportation sector

Technology / Energy

created Apr 24, 2007 | popularity 4.4 / 5 (113) | comments 0

In a recent study, scientists have demonstrated that a hybrid system of hydrogen and carbon can produce a sufficient amount of liquid hydrocarbon fuels to power the entire U.S. transportation sector. Using ...


NREL Solar Cell Sets World Efficiency Record at 40.8 Percent

Technology / Energy

created Aug 13, 2008 | popularity 4.6 / 5 (105) | comments 23

(PhysOrg.com) -- Scientists at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) have set a world record in solar cell efficiency with a photovoltaic device that converts 40.8 percent of the light ...


Professor demonstrates new hydrogen fuel system

Technology / Energy

created Feb 23, 2007 | popularity 4.1 / 5 (115) | comments 0

Northern Nevada energy consumers can be excused if they have a sense of "sticker shock" when their power bills come due following the holiday season. Or, that they have a feeling of powerlessness as the price of gasoline ...


Kite

Kites could provide electricity for 100,000 homes

Technology / Energy

created Aug 08, 2008 | popularity 4.2 / 5 (111) | comments 46

High-flying kites tethered to generators could supply as much as 100 megawatts of electricity, enough to power 100,000 homes, according to researchers from the Delft University of Technology in The Netherlands. ...


Team sets solar cell record

Technology / Energy

created Jul 24, 2007 | popularity 4.7 / 5 (93) | comments 0

Using a novel technology that adds multiple innovations to a very high-performance crystalline silicon solar cell platform, a consortium led by the University of Delaware has achieved a record-breaking combined solar cell ...


IBM Research Unveils Breakthrough In Solar Farm Technology

IBM Research Unveils Breakthrough In Solar Farm Technology

Technology / Energy

created May 15, 2008 | popularity 4.7 / 5 (88) | comments 10

IBM today announced a research breakthrough in photovoltaics technology that could significantly reduce the cost of harnessing the Sun's power for electricity.


MicroFueler

Make Ethanol in Your Own Backyard

Technology / Energy

created May 09, 2008 | popularity 3.9 / 5 (104) | comments 24

A Silicon Valley start-up called E-Fuel is showing exactly how ethanol can live up to its name as "the people´s fuel." The company recently announced that it will soon start selling a home ethanol system, ...


Swift turbine

Quiet wind turbine could provide up to 30% of a home's power

Technology / Energy

created Oct 31, 2008 | popularity 4.2 / 5 (95) | comments 27

(PhysOrg.com) -- A quiet wind turbine developed in Scotland is now available in the US and Canada. Its developers say that the roof-based turbine can provide significant power for homes and commercial buildings ...


Harnessing sunlight on the cheap

Harnessing sunlight on the cheap

Technology / Energy

created May 07, 2008 | popularity 4.5 / 5 (89) | comments 15

For a project that could be on the very cutting edge of renewable energy, this one is actually decidedly low tech--and that's the point.