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The Greenest Desktop Computers Of 2008

Lenovo Thinkcentre Eco

At MetaEfficient I’ve been waiting for years to review some exciting green computers, and now finally in 2008, we’ve seen the introduction of some truly green PCs. Although the components of green PCs cost about 10% more than regular PCs, they retail for about the same price. You can jump ahead and see our list […]

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New World Record Set For Solar Efficiency: 31.25%

On a perfect New Mexico winter day — with the sky almost 10 percent brighter than usual — Sandia National Laboratories and Stirling Energy Systems (SES) set a new solar-to-grid system conversion efficiency record by achieving a 31.25 percent net efficiency rate. The old 1984 record of 29.4 percent was toppled Jan. 31 on SES’s […]

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Best and Worst Personal Care Products: Ratings

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A while ago we published a link to a site that rates Personal Care Products. We had some requests from readers who were interested in finding the report, so here is an update. The EWG has also published the most comprehensive study on chemical contaminants found in humans. Blood and urine from nine people was […]

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Hybrid Gets 150 Miles Per Gallon Using Ultracapacitors

It’s a prototype hybrid car that gets 150MPG, and goes 40 miles on electricity alone, drawing its power from a combination of lithium-ion batteries and ultracapacitors. The ultracapacitors provide a burst of energy to the engine, when needed. They are then recharged by the lithium-ion batteries. This avoids the problem of emptying the batteries too […]

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