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Wind

AUTOMOTIVE

Boat tail reduces truck fuel consumption by 7.5 percent

By Darren Quick

18:57 November 5, 2009 PST

The boat tail mounted on the rear of the test truck

European tests have shown that a boat tail – a tapering protrusion mounted on the rear of a truck – leads to fuel savings of 7.5 percent. The fuel savings, which also means a cut in emissions, were realized by the boat tail dramatically reducing the drag caused by the lower-pressure effect that occurs in the wake of a vehicle. Read More

ECOGIZMO

Stealth wind turbines developed to avoid radar confusion

By Paul Ridden

17:50 November 3, 2009 PST

A prototype of the 'stealth' blade developed by QinetiQ and Vestas is fitted onto a Vestas...

Plans for the installation of wind farms the world over are being delayed or abandoned due to objections from the aviation community or air defense interests. The problem is that when it comes to low flying aircraft or wind turbines, conventional radar has a bit of an identity crisis - not being able to tell the difference. Recent tests in the UK of "stealth" turbine technology could provide a solution. Read More

ECOGIZMO

Texas to benefit from largest offshore wind concessions in the USA

By Paul Lester

18:56 July 23, 2009 PDT

Baryonyx will use both on and offshore wind farms as its main source of power

The push for more dedicated use of renewable energies has been given a boost recently by Texas startup Baryonyx Corp, which has successfully procured the lease for what will be the largest offshore wind concessions in the USA. A total of 8,000 acres of land in Dallam County and 38,000 acres in the Gulf of Mexico will power ‘Tier4’ data centers by generating a potential 3GW of energy. Read More

ECOGIZMO

Off the grid street lighting: coming soon to a street near you

By Paul Ridden

23:12 July 21, 2009 PDT

A rendering showing what the street lights might look like in a typical urban street. With...

It provides light where there is darkness, it gives a sense of safety and security, but it's also a power leech. The humble street light. Thankfully, the move away from the grid is already well underway with companies like Urban Green Energy busy transforming these familiar towers of light into self sufficient beacons that harness the power of the elements - in this case, it's a hybrid solution that uses both the wind and the sun. Read More

ECOGIZMO

Almeisan Tower design aspires to zero emissions, zero energy requirements and zero waste

By Karen Sprey

05:54 July 8, 2009 PDT

The word Almeisan is the Arabic name for one of the brightest stars in the sky, located in...

Dubai conjures up BIG images; not just the tallest structures, although it currently holds that crown, but also big as in flamboyant, lavish and generally larger than life. Amidst the opulence, extravagance and seemingly limitless budgets – or perhaps because of the latter – Dubai is increasingly embracing its green side. The latest building designed for the city to cross our desk has a foot squarely in both camps - the Almeisan Tower combines a delicate, soaring structure with a 600kW solar tower and passive cooling systems claimed to be almost "triple zero", which means it has zero emissions, zero energy requirements and zero waste. Read More

ECOGIZMO

Honeywell wind turbine is a breeze to run – and a light one at that

By Alan Brandon

15:11 June 17, 2009 PDT

The Honeywell Windgate wind turbine from EarthTronics measures less than 6 feet (1.8m) acr...

Has affordable, practical home wind power generation become a reality? The Honeywell Windgate wind turbine from EarthTronics looks like it could be a contender. Developers EarthTronics and Honeywell Corp hope the Windgate wind turbine will help meet the energy needs of homeowners and businesses, even if they are not located in prime “windy” areas. EarthTronics says the 6-foot wide, 95-pound Windgate can start to spin in breezes as low as 2mph and can create more power with less wind than other types of wind turbines. Read More

ECOGIZMO

Rural Space designed to give eco-tourism a temporary lift

By Karen Sprey

17:08 June 16, 2009 PDT

The self-sufficient Rural Space is powered by wind and solar energy

With so many heritage-listed sites and national parks in Britain, there are tight restrictions on what can be permanently built and where. Designer Philip Crewe, however, has come up with the idea of Rural Space, a temporary living space powered by wind and solar energy, which helps people get closer to nature, in considerably more comfort than the standard tent or hostel. Read More

ECOGIZMO

HyWind - world's first floating wind turbine reaches its final destination

By Karen Sprey

18:20 June 15, 2009 PDT

The Hywind floating wind turbine is towed to its final offshore destination
 PHOTO: Ø...

Hywind, the 2.3MW floating offshore wind turbine being developed by Norwegian oil and gas company StatoilHydro, Siemens and Technip has now been installed and moored to the seabed off the coast of Norway. Once cables to the mainland grid have been laid, the wind turbine prototype will undergo a two year pilot which will provide valuable knowledge on how to perfect the technology and hopefully one day enable floating wind turbines to become a financially viable alternative to other energy sources. Read More

MOBILE TECHNOLOGY

Green energy charger ready and pumped for UK's biggest music festival

By Paul Best

23:30 May 26, 2009 PDT

The Orange Power Pump - by treading on a standard camping air foot-pump, the kinetic energ...

Mobile operator Orange and renewable energy specialists GotWind know they’ve hit on a good, marketable idea. The companies have joined forces for a third consecutive year to showcase their outdoor charging solution at next month's Glastonbury Festival, the United Kingdom’s largest and hippest open-air music bash. This year Orange has unveiled a mobile phone charger prototype it’s calling the Orange Power Pump. By treading on what is essentially a standard camping air foot-pump, the kinetic energy created drives a small turbine inside the Power Pump. The energy is converted into electrical current, which recharges the mobile phone. The idea is not only simple, it cleverly encourages you to dance and charge your mobile at the same time. Read More

ECOGIZMO

Magenn floating wind generators take advantage of high altitude winds

By Loz Blain

16:15 February 26, 2009 PST

Magenn's MARS floating wind generator

Wind power is notoriously flighty, particularly at ground level. Most turbine-on-a-post wind powered generators operate at around 20-40% of their rated generation capacity, simply because wind is intermittent and changes direction. But a generator situated 500-1000 feet above ground level would enjoy much more consistent strong wind - which is why the Magenn MARS system makes so much sense. It's a helium-filled rotating airship that spins in the wind on the end of a variable-length tether that also acts as a power transmitter, and it's expected to operate at more like 50% of its rated capacity. Each MARS system will be cheap and portable, which will make them extremely useful in rural, camping and emergency situations. A prototype has successfully been flown in North Carolina. A great idea that makes economic sense. Read More

ROBOTICS

Climbing robot inspects wind turbines for damage

By Kyle Sherer

16:14 January 29, 2009 PST

RIWEA hoists itself up the rotor blade of a wind turbine

Wind turbines, predominantly constructed from glass fiber reinforced plastics, are vulnerable to fractures and flaws that can be impossible for the human eye to detect - and even the cracks visible to humans can often only be spotted in a time-consuming and dangerous examination. Researchers at the Fraunhofer Institute say that their latest robot creation, RIWEA, can solve both problems to increase the overall efficiency of the wind energy system. Read More

ECOGIZMO

Windspire: low cost, small footprint wind power alternative

By Darren Quick

01:17 January 29, 2009 PST

The Windspire

While wind turbines are a clean, green way to generate power, they can be a bit of an eyesore and require quite a bit of room meaning, more often than not, they need to be located in sparsely populated areas far from where the generated power is actually needed. We’ve looked at AeroVironment’s innovative urban solution as well as StatoilHydro’s HyWind. Now a look at another innovative product - Windspire. The Windspire, from Reno, Nevada based Mariah Power, combats the large footprint problem by employing a propeller-free design that makes it ideal for rural, suburban, and even some urban residential environments. Read More

ECOGIZMO

Kinesis builds combination wind/solar recharger for mobile devices

By Dave Weinstein

17:43 January 11, 2009 PST

Kinesis' K2

Kinesis' K2 device combines a wind turbine, solar panel and internal 3800mAh battery to create a smart charger for all your handheld gadgets The device can be left in a sunny or windy place during the day and can be charge the internal battery 20 hours via wind alone or 8 hours via solar (in direct sunlight) or presumably less than 8 hours by both simultaneously. Read More

 
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