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Green Competition is a Good Thing

Yep, that’s a “duh” title. But worth mentioning since there’s some fun news coming from the Bay Area.

We talked awhile ago about San Jose’s drive to become the greenest city around. We’ve also covered some excellent green initiatives coming out of San Francisco. Well, there’s more to it than just introspection and self-improvement for these two cities. They represent some significant Keeping Up With the Jones’ syndrome for cities, which is some of the best news the green movement can get right now.

SF Mayor Gavin Newsom and SJ Mayor Chuck Reed are both actively working on one-upping each other, with Newsom joking about how he daily scans San Jose’s news and website for info on what the city has done to green up. Both are working on getting clean tech companies to call their cities home, and both are pursuing greener options for everything from transportation to renewable energy.

Both mayors pointed out how great it is to compete for green status at the Silicon Valley Leadership Group’s Clean & Green conference yesterday, noting that all major cities are beginning to take similar steps. Since San Francisco and San Jose are only an hour apart from one another, the result may be a very clean Bay Area.

Via Earth2Tech

 

Cool Revolving Door Concept for Powering Up

Regardless of the realistic possibility or usefulness of such concepts, I love kinetic energy concept devices. The Revolution Door is just such a one from Fluxxlab. The idea is that revolving doors at the front of buildings should be hooked up so that they generate useful energy from the force of someone pushing through them. We’ve debated the possibilities of kinetic energy here on EcoGeek several times before, but for a second every so often, I like to put physics aside and say, “Wouldn’t it be cool if we could power a building in part by walking through a door….” Via CoolGreenGadgets

 

Terasen Trying to Power Homes with Human Poo


In a first in Canada, Terasen Gas of B.C. is going to begin purifying “biogas” from human waste at the Lions Gate sewage treatment plant, pumping the product out to its gas utility customers. Yep – read it again if you want, but it’ll still say human waste. Icky, but might as well utilize it.

With a $1.1 million pilot project, Terasen will develop B.C.’s first biogas alternative energy project with the delivery of biomethane through its natural gas distribution system. The project isn’t the first of its kind – the US is beating it to the punch – but the idea is still in infancy.

“This pilot project will provide enough energy for 100 homes and reduce greenhouse gas emissions by 500 tonnes each year,” says Doug Stout, Terasen’s VP of marketing and business development.

The gas from the sewage treatment plant is almost pure methane and is produced from the sewage’s digestion or decomposition when solids are separated into liquid waste. That excess gas is usually burned off, but waste not want not, so it’ll be used to power homes. Just think, your poop powering the bathroom light by which you read your newspaper while, well, pooping. Brings a whole new meaning to Terasen's tagline, doesn't it?

Conveniently, a gas pipeline nearby the sewage treatment plant makes it easy to transport the excess gas after impurities have been removed and the gas is pressurized for delivery in the pipe.

The Lions Gate project is slated to begin by July 2009 and Terasen hopes to use what it learns from this pilot program to develop larger-scale applications from harvesting methane from agriculture waste. It looks promising. But I don’t care how much it may help the environment, I’m not going to be strapping on one of those backpacks that those cows in Argentina wear.

Via: Terasen Gas, Times of India, The Vancouver Sun

 

Capturing the Power of Trillions of Footfalls


Elizabeth Redmond, 23, dreams of working at MIT’s Media Lab, one of the United States’ top scientific research and development centers. However, she has invented something that should make MIT and every other “think tank” in the country dream of her.

Elizabeth invented the POWERleap, a simple idea with brilliant applications. It’s a flooring system that generates electricity every time you move on one of the tiles. Elizabeth developed the POWERleap as her senior thesis project at the University of Michigan's School of Art and Design. She wanted to design a project that would educate people about their relationship and dependence on energy. Human bodies generate electricity, about 100 watts at rest, which (according to www.elizabethredmond.net) is enough to power the computer I am writing on.

Elizabeth set out to harness our bodies’ energy to power small objects. But when she realized that walking was our most abundant and consistent activity, and the energy harnessed from it could power something much bigger than an iPod, the design for the POWERleap tiles was born.

Redmond's unique floor tiles generate electricity using a phenomenon known as piezoelectricity – electricity generated by applying mechanical stress to certain materials like the lead zirconate plates in the POWERleap. When these 2-inch by 1-inch piezoceramic plates are bent, a charge is produced that can be harnessed. Multiply one tile by the surface area of a subway station or even your standard grocery store floor, and you can imagine the amount of energy these tiles have the potential to generate.

In a few years Elizabeth hopes people will be able to pull the POWERleap off the shelves of Home Depot and install it to power their homes. More importantly if we generate our own electricity it should change the way we consume, appreciate and utilize electric power. During our cell phone conversation, Elizabeth pointed out another beneficial feature of the technology. "Imagine a business powered by the people who move around inside it. When the people leave for the day the lights and power would automatically shut down."

Elizabeth expects the next stage of development and research to yield "an electromechanical system that is safe, efficient, easy to install, repair, and apply, and fun to participate with." She currently seeks funding for the next stage of the POWERleap's development. Since the applications of this technology are endless and the end of the oil age is fast approaching, let's hope she does not have trouble finding eager investors.

 

Strap-on Kinetic Charger Dances Away Dead Batteries


Orange and Got Wind are at it again with fun ways to charge your cell phone. They clearly aren’t content with just a giant wind- and solar-powered charging booth. They also want to give phone users a more personal way to charge up, apparently so they can be in the midst of having fun without the danger of dropping a call due to a dead battery.

The duo has created a strap-on device called the Orange Dance Charge that uses the kinetic energy you create when you dance (or simply move around a lot). The charger isn’t cumbersome for dancers, with a size and weight comparable to a cell phone. It is strapped to a reveller’s arm, and uses a system of weights and magnets to provide an electric current that charges a storage battery, which can later be used to charge a cell phone.

The device was tested at this year’s Glastonbury Festival last weekend, and I’m sure was a big source of amusement. I think it’s brilliant to test out something like this at a venue where folks are already three sheets to the wind and having fun, so they won’t bash on the product’s hiccups too badly. We have yet to hear how testing went, but I'll keep an eye out for news updates.

Via zdnet, Orange Press; Photo via Zanastardust

 
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