Energy news
Why a hydrogen economy doesn't make sense
Dec 11, 2006 |
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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), ...
Renewable Energy Made by Mixing Salt and Fresh Water
Sep 02, 2009 |
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(PhysOrg.com) -- When a river flows into the sea, the location is more than just a haven for water commerce. The mixing of fresh and salt water that occurs at an estuary also dissipates energy, as the different ...
Micro Fuel Cells Get Closer to Replacing Batteries
Nov 17, 2008 |
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(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 ...
Hydrogen-Wind-Nuclear Plant in Ontario Not Currently Worthwhile, Study Shows
Aug 06, 2008 |
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A recent case study on using hydrogen to store the electricity generated by a mix of wind and nuclear power in Ontario, Canada, has shown that the hydrogen addition won’t be worth the cost, at least not at the current state ...
40% efficient solar cells to be used for solar electricity
Jun 01, 2007 |
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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 ...
H2CAR could fuel entire U.S. transportation sector
Apr 24, 2007 |
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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 ...
How much fuel do you save with a hybrid SUV?
Apr 19, 2007 |
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Hybrids are getting heavier, but they seem to bear their weight better than conventional vehicles when it comes to fuel efficiency, according to a recent study. In the study, the scientists found that the ...
Researchers use corn waste to generate electricity
Jul 19, 2006 |
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After the corn harvest, whether for cattle feed or corn on the cob, farmers usually leave the stalks and stems in the field, but now, a team of Penn State researchers thinks corn stover can be used not only to manufacture ...
Advanced nuclear fuel sets global performance record
Nov 17, 2009 |
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(PhysOrg.com) -- Idaho National Laboratory scientists have set a new world record with next-generation particle fuel for use in high temperature gas reactors (HTGRs).
Solar Cells with LEDs Provide Inexpensive Lighting
Nov 09, 2009 |
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(PhysOrg.com) -- Of the 1.5 billion people in developing countries who do not have electricity, many rely on kerosene lamps for light after the sun goes down. But now, researchers from Denmark have designed ...
Japan eyes solar station in space as new energy source
Nov 08, 2009 |
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It may sound like a sci-fi vision, but Japan's space agency is dead serious: by 2030 it wants to collect solar power in space and zap it down to Earth, using laser beams or microwaves.
Metal-Air Battery Could Store 11 Times More Energy than Lithium-Ion
Nov 05, 2009 |
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(PhysOrg.com) -- A spinoff company from Arizona State University plans to build a new battery with an energy density 11 times greater than that of lithium-ion batteries for just one-third the cost. With a ...
Solar power generation around the clock
Nov 05, 2009 |
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(PhysOrg.com) -- A Californian company, SolarReserve, is developing a solar power system that can store seven hours' worth of solar energy by focusing mirrors onto millions of gallons of molten salt, allowing ...
Car That Runs on Compressed Air Questioned by Critics (w/ Video)
Nov 03, 2009 |
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(PhysOrg.com) -- As electric cars begin breaking into the short-distance vehicle market, one French company thinks that it has an alternative to the electric vehicle: a car that runs on compressed air. Motor ...
New rechargeable zinc-air batteries coming soon
Oct 29, 2009 |
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(PhysOrg.com) -- A new breed of rechargeable zinc-air batteries is soon to be available, and may replace lithium-ion batteries in cell phones, laptops and other consumer items. Lithium-ion batteries store ...
