Energy news

ultracapacitor buses

Ultracapacitors Make City Buses Cheaper, Greener

Technology / Energy

created Oct 21, 2009 | popularity 4.5 / 5 (45) | comments 31

(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

New rechargeable zinc-air batteries coming soon

Technology / Energy

created Oct 29, 2009 | popularity 4.5 / 5 (41) | comments 15

(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

Metal-Air Battery Could Store 11 Times More Energy than Lithium-Ion

Technology / Energy

created Nov 05, 2009 | popularity 4.3 / 5 (40) | comments 11

(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%

Sharp Develops Solar Cell with World's Highest Conversion Efficiency of 35.8%

Technology / Energy

created Oct 22, 2009 | popularity 4.5 / 5 (26) | comments 12

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

Solar power generation around the clock

Technology / Energy

created Nov 05, 2009 | popularity 4.5 / 5 (25) | comments 15

(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

Shifting the world to 100 percent clean, renewable energy as early as 2030 -- here are the numbers

Technology / Energy

created Oct 19, 2009 | popularity 3.5 / 5 (31) | comments 21

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

Toyota to release solar charger for electric vehicles

Technology / Energy

created Oct 27, 2009 | popularity 4.2 / 5 (25) | comments 10

(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

Improved redox flow batteries for electric cars

Technology / Energy

created Oct 13, 2009 | popularity 4.6 / 5 (20) | comments 14

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. (AP)

Largest solar panel plant in US rises in Fla.

Technology / Energy

created Oct 24, 2009 | popularity 3.9 / 5 (23) | comments 11

(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 ...


Sahara

Will Europe Be Powered by the Sahara

Technology / Energy

created Nov 04, 2009 | popularity 4 / 5 (22) | comments 27

(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 ...


A system of space solar power system (SSPS)

Japan eyes solar station in space as new energy source

Technology / Energy

created Nov 08, 2009 | popularity 4.7 / 5 (18) | comments 24

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.


airpod

Car That Runs on Compressed Air Questioned by Critics (w/ Video)

Technology / Energy

created Nov 03, 2009 | popularity 3.8 / 5 (21) | comments 36

(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 ...


Photographers take pictures of the new Japanese Nissan Motor's electric vehicle called "Leaf"

Japanese car makers out to electrify Tokyo show

Technology / Energy

created Oct 19, 2009 | popularity 4.5 / 5 (16) | comments 17

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.


Barack Obama speaks after touring the DeSoto Next Generation Solar Energy Center

Obama unveils historic power grid reform

Technology / Energy

created Oct 27, 2009 | popularity 3.9 / 5 (14) | comments 1

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

US army to be powered by waste

Technology / Energy

created Oct 12, 2009 | popularity 4.5 / 5 (11) | comments 9

(PhysOrg.com) -- Defense company Qinetiq has been awarded a contract to supply the US army with a system that generates electricity from garbage.