Energy news
Ultracapacitors Make City Buses Cheaper, Greener
Oct 21, 2009 |
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(PhysOrg.com) -- A fleet of 17 buses near Shanghai has been running on ultracapacitors for the past three years, and today that technology is coming to the Washington, DC, for a one-day demonstration. Chinese ...
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 ...
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 ...
Sharp Develops Solar Cell with World's Highest Conversion Efficiency of 35.8%
Oct 22, 2009 |
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Sharp Corporation has achieved the world's highest solar cell conversion efficiency (for non-concentrator solar cells) of 35.8% using a triple-junction compound solar cell.
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 ...
Shifting the world to 100 percent clean, renewable energy as early as 2030 -- here are the numbers
Oct 19, 2009 |
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Most of the technology needed to shift the world from fossil fuel to clean, renewable energy already exists. Implementing that technology requires overcoming obstacles in planning and politics, but doing so ...
Toyota to release solar charger for electric vehicles
Oct 27, 2009 |
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(PhysOrg.com) -- Toyota is developing a solar charging station for electric cars and plug-in hybrids, making a green technology even greener. It has also designed a battery charger for mounting inside an electric ...
Improved redox flow batteries for electric cars
Oct 13, 2009 |
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A new type of redox flow battery presents a huge advantage for electric cars. If the rechargeable batteries are low, the discharged electrolyte fluid can simply be exchanged at the gas station for recharged ...
Largest solar panel plant in US rises in Fla.
Oct 24, 2009 |
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(AP) -- Greg Bove steps into his pickup truck and drives down a sandy path to where the future of Florida's renewable energy plans begin: Acres of open land filled with solar panels that will soon power thousands ...
Will Europe Be Powered by the Sahara
Nov 04, 2009 |
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(PhysOrg.com) -- Europe has long been interested in developing alternative energy sources. And, one of the more interesting places that some Europeans are looking for solar power is the Sahara. With the vast ...
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.
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 ...
Japanese car makers out to electrify Tokyo show
Oct 19, 2009 |
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Move over hybrids -- the biggest buzz at this year's Tokyo Motor Show looks set to come from electric cars as the dream of affordable zero-emission vehicles moves closer to reality.
Obama unveils historic power grid reform
Oct 27, 2009 |
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President Barack Obama Tuesday announced the largest modernization of the US electricity grid in history, in a 3.4-billion-dollar bid to launch a new era of renewable energy consumption.
US army to be powered by waste
Oct 12, 2009 |
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(PhysOrg.com) -- Defense company Qinetiq has been awarded a contract to supply the US army with a system that generates electricity from garbage.


