Renewable Energy
Hawaii ideal for ocean-based renewable energy plants
By Darren Quick
22:13 August 3, 2010

Ocean Thermal Energy Conversion (OTEC) involves placing a heat engine between warm water collected at the ocean’s surface and cold water pumped from the deep ocean. Like a ball rolling downhill, heat flows from the warm reservoir to the cool one. The greater the temperature difference, the stronger the flow of heat that can be used to do useful work such as spinning a turbine and generating electricity. Researchers say that the temperature differential is around one degree Celcius greater on the leeward side of Hawaiian islands it is better suited for future ocean-based OTEC energy plants. Read More
Aussie Zero Race entry: “Trev” the three-wheeled electric vehicle
By Darren Quick
19:36 August 3, 2010

When last we looked at an entry in the upcoming Zero Race it was the Swiss team’s Zerotracer electric motorcycle. Today we shift our attention to the Australian entry, which sees the number of wheels upped to three and the vehicle, in typically Australian fashion, given the moniker of “Trev.” And if you’ve got a little spare cash laying about then you can join Team Trev and drive the vehicle for a day during the race – you’ll even get a Team Trev polo shirt! Read More
New research shows real government subsidies for clean and dirty power
By Gizmag Team
21:55 August 1, 2010

How can you tell when a politician is lying? First check to see if his/her lips are moving. New research has revealed that despite what they would have you believe, the world’s governments subsidize the fossil fuel sector far more than they do renewables and biofuels. Indeed, the assistance delivered to the oil, coal, and other fossil fuel sectors makes a mockery of claims that government is serious about reducing carbon emissions. Hey folks, that’s YOUR MONEY! Read More
Up close and personal with SAIC's Yez Concept Car
By Mike Hanlon
05:03 July 27, 2010

A few days ago, I managed to get up close and personal in Shanghai with one of the most interesting concept cars the world has yet seen. SAIC's Yez concept car is the first automobile, concept or otherwise, that's ever been conceived to have a negative carbon footprint. That is, it removes more pollution than it creates. Read More
Terra-Gen Power secures $1.2 billion for largest wind farm in U.S.
By Gizmag Team
22:17 July 25, 2010

New York-based alternative energy supplier Terra-Gen Power has secured $1.2 billion in financing for the construction of what it says will be the largest wind farm in the U.S. The funds will deliver four projects at the company's Alta Wind Energy Center in Kern County, California, with a capacity of 570 megawatts. A total of 190 3.0 MW Vestas-American Wind Technology turbines will be used in the new initiative. These will be added to the already underway 150 MW Alta Project I which uses GE turbines. Eventually it's envisioned that the Alta Wind Energy Center will deliver 3,000 MW of wind power. Read More

A number of kinetic energy chargers have been hitting the market in recent years including the nPower PEG. Researchers have also been working to improve the technology, developing such devices as the Kinetic Energy Cell and a tiny generator that derives electrical energy from the vibrations and movements that occur within its environment. Now Brother Industries Ltd., a company better known for its printers, has put the technology into a form factor that should prove much more versatile – a battery. Its Vibration Energy Cell batteries are deigned to replace AA or AAA batteries in some low power devices that can then be powered with a shake. Read More
Nanotech coatings offer possibility of ‘brown’ electricity from sewage
By Darren Quick
01:23 July 22, 2010

While much of the focus on renewable electricity production focuses on green alternatives, a team of engineers at Oregon State University is looking at ways to improve electricity production from a “brown” source – namely sewage. The engineers found that using new coatings on the anodes of microbial electrochemical cells they were able to increase the electricity production from sewage about 20 times. Read More
First solar/coal hybrid power station up and running
09:02 July 15, 2010

The world's first hybrid solar/coal power plant has been built near Palisade in Colorado. Xcel Energy and Abengoa Solar are partnering on the demonstration project which uses solar parabolic trough technology to supplement the use of coal. Initially, it's expected to reduce the emissions generated by the Cameo Station's Unit 2 plant by three to five percent, but it's thought that this could increase to up to ten percent. Read More
Harnessing 'hot' electrons could double efficiency of solar cells
22:06 July 11, 2010

Researchers from University of Minnesota have removed a barrier to improving solar cell efficiency by showing how heat energy currently lost from semiconductors can be captured and transferred to electric circuits. They hope manufacturers will use the results to produce solar cells with twice the output of current solar cells and at a lower cost. Read More
New eco-marathon for energy-efficient light aircraft
21:26 July 1, 2010

A new annual competition in Vichy, France will take place for the first time this July in order to develop and bring attention to sustainable energy-economy in the motorized ultralight aircraft (ULM) industry. Calling to mind the wacky inventiveness of the Red Bull Flugtag, the Eco Marathon ULM aims not to achieve furthest flight through human power, but by the least possible fuel, and the competitors will undoubtedly hope to amaze more than amuse. Read More
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