Best Portable iPod & MP3 Speakers

A few months ago, MetaEfficient profiled an energy efficient home speaker system for the iPod. But what if you want to bring your music with you on the go – and share it outside your headphones? You’ll need a set of portable speakers that are just as mobile as your MP3 player. Following are six of the best portable speaker …

GM And Segway Unveil Their Electric 2-Seater

Yesterday, GM and Segway unveiled an electric-powered urban vehicle called the Puma. The Puma seats two people, and is said to reach a top speed of 35 miles per hour. The vehicle can go 35 miles before needing a recharge. Larry Burns, vice president of research and development for GM, said it would cost about 35 cents to charge the …

Renewable: Sunglasses Made With Castor Bean Oil

The frames of these sunglasses (Dragon Experience Eco) are not made with petroleum. Instead they are made with Nylon 11, the only commercially successful high volume biopolymer, which is made by polymerizing a split segment of castor bean oil.

Update: Bank Of America Tower, Greenest Skyscraper In The U.S.

A while back, MetaEfficient profiled what could be the greenest skyscraper in America, the Bank of America Tower in New York City. Located in midtown Manhattan at One Bryant Park, the 945-foot tall, 55-story structure is scheduled to open later this year. Here’s a closer look at some of the groundbreaking features that should help the building earn a coveted …

Lenovo’s Latest Green PC: The M58p Eco Ultra Small

I’ve been testing a new, very efficient PC called the ThinkCentre M58p Eco Ultra Small by Lenovo. This compact PC is the successor to the ThinkCentre M57p Eco. My kilo-o-watt meter is telling me that the M58p consumes only about 35 watts while idle, and 58 watts of power at peak usage. It has a power supply that is 85% …

The Bardessono Inn: 93% Of Construction Waste Reused

In Napa Valley, the newly opened Bardessono Inn and Spa is perhaps the greenest luxury hotel in the country. There are several innovative features that make Bardessono a model for green builders. Perhaps most impressive is the fact that 93 percent of the Bardessono’s construction waste was recycled — an unusally high amount. Materials like wood, steel and paper which …

The Best Portable Car GPS Navigators Of 2010

In the past five years or so, one of the handiest applications of GPS technology has been the development of portable GPS navigators designed to go into a car to help a driver navigate as she drives.

HippoRoller Water Carrier – Simple Efficiency With A Far-Reaching Payoff

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.