We always like to discover innovative, plant-based products that are being introduced into the marketplace. Take for example, Soap Nuts which are an organic, eco-effective alternative to detergent. The powder is made from the sun-dried fruit of Sapindus Trifoliatus trees in south eastern India which is ground into a fine powder. Nothing further is added… [Continue Reading]
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Italian Town Runs On 100% Renewable Power
December 17, 2007 by 21 Comments
Varese Ligure, a town in Northern Italy, runs on 100% renewable power. The town uses a mix of wind, solar and small-scale hydropower. The town has reaped benefits from the energy network through added jobs, and an additional 350,000 euros [US $514,000] in revenues that are handed over to the council each year. Varese has… [Continue Reading]
LED Grow Lights
June 15, 2005 by 70 Comments
A lot of readers expressed interest in using red and blue LEDs for hydroponic growing. These LED lights can be found at Amazon. It is, of course, more efficient to grow plants outside, but when this is not possible, LEDs are an efficient choice.
Chainless Bikes
June 21, 2006 by 19 Comments
Besides the wheel the invention of the chain is probably what made the modern bicycle possible but ironically it’s also the bike’s biggest downside. The chain usually needs a lot of maintenance and care to keep it functioning properly and of course there’s always the risk of pant legs or loose shoelaces getting caught. If… [Continue Reading]
Unfolding Prefab: Holl House by Andrew Maynard
January 4, 2006 by 1 Comment
Andrew Maynard‘s Holl House starts off as a vertical column, then unlocks into a horizontal network of hinged structures. “How can the housing industry make exciting, well designed and cheap housing?” Maynard asks. “Easy, mimic the car industry.” “The dimensions of the basic module are dictated by the maximum dimensions available to be transported legally… [Continue Reading]
World’s Best Cat Litter
June 30, 2005 by 60 Comments
The self-proclaimed “World’s Best Cat Litter” may be able to live up to its name. Because it is made from whole kernel corn, the litter delivers great odor control. The microporous structure of corn provides a large surface area to trap and absorb ammonia and urine odors. We like it because it is biodegradable, comes… [Continue Reading]
North America’s Largest Solar-Electric Plant Switched On
December 28, 2007 by 61 Comments
North America’s largest solar photovoltaic system is now running and generating power — about 30 million kilowatt-hours of electricity annually. The 14 megawatt power plant is at the Nellis Air Force Base in the sunny desert of southern Nevada. It’s expected to save about $1 million in power costs annually, and reduce carbon dioxide emissions… [Continue Reading]
AeroGarden: Easy, Efficient Indoor Gardening
February 18, 2009 by 11 Comments
In 2004, MetaEfficient.com pre-reviewed the AeroGrow aeroponics growing system. That was before the system was released. A couple of years ago, you couldn’t cut on your TV without seeing an ad for AeroGrow indoor gardening systems. It isn’t as ubiquitously advertised now, but it hasn’t disappeared from the market. In fact, five years after its… [Continue Reading]
HippoRoller Water Carrier – Simple Efficiency With A Far-Reaching Payoff
March 13, 2009 by 18 Comments
Water is an immediate, fundamental need for human survival, but one in six people worldwide don’t have immediate access to water resources, particularly in arid regions of southern Africa. The HippoRoller is a deceptively efficient water carrier with the potential to offer huge health, economic, and social benefits to developing communities.
The Best Electric Scooters Of 2012
June 2, 2008 by 87 Comments
You may have been looking for our review of electric bikes. e-Zip E750 Electric Scooter by Currie Technologies This electric scooter, the e-Zip 750, is currently the top-rated electric scooter on Amazon, with an average 4.5 out of 5 stars from 69+ reviewers. It has a 12-mile range (depending on rider weight) and top speed of… [Continue Reading]
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