An Innovative Mercedes-Benz Hybrid Bus

It’s a prototype of a diesel-electric hybrid bus from DaimlerChrysler! The company plans to unveil this bus, the Citaro, to the general public sometime this year. The bus has a sophisticated hybrid system, that allows the bus to run in emission-free battery-only mode. Rather than providing continuous driving power, the diesel engine in the Citaro series hybrid operates as a …

Schwinn’s New Range of Electric Bikes

Schwinn will be releasing a new series of electric bikes this summer, with the motors and batteries seamlessly integrated their overall design. The bikes will come with a lithium polymer battery that Schwinn says is the lightest and most durable on the market. One charge will last approximately 60 miles. The bikes also charge faster than most electric bikes &#8212 …

Skyscraper Creates All Its Own Energy

This skyscraper, to be built in Dubai, is called the Burj al-Taqa (‘Energy Tower’), and it will produce 100% of its own power. The tower will have a huge (197 foot diameter) wind turbine on its roof, and arrays of solar cells that will total 161,459 square feet in size. Additional energy is provided by an island of solar panels, …

Turn Your Bike Into A Powerful Commuting Vehicle: StokeMonkey

Here at MetaEfficient, we’re always looking for an excuse to ride a bike, rather than drive a car. It’s just more fun, and you get the added benefit of exercise. But what if you want to take your bike to work or to get groceries? Most bikes in the U.S. are built for recreation in mind, not as vehicles that …

Micro-Wind Turbines: Update

I first wrote about these wind micro-wind turbines for TreeHugger in March. Since then the microturbines have become available for sale through the Motorwave website (here’s a direct link to the store). Right now, shipping costs from Hong Kong are about $300, but Lucien Gambarota, the inventor says he hopes to offer the turbines for sale in the U.S. soon. …

3000 Megawatts of New U.S. Wind Power In 2007

The American Wind Energy Association (AWEA) today released its First Quarter Wind Power Market Report, announcing that the U.S. wind energy industry is on track to install over 3,000 megawatts (MW) of wind power in 2007, with Texas likely to account for about two thirds of the new installations.

EcoLEDs: Mercury-Free LED Bulbs

A start-up company is offering mercury-free, energy efficient, high-brightness LED lights to replace typical light bulbs in homes and offices. The EcoLED lights use 1/10th the electricity of incandescent light bulbs, and are estimated to last 50,000 hours before burning out (approximately a decade of normal use). Unlike compact fluorescent bulbs, these bulbs contain no mercury. Note that these bulbs …

Quiet Revolution Wind Turbines

Quiet Revolution is an English company that makes visually intriguing wind turbines. The QR5 Vertical Axis Wind Turbine generates 6 kilowatts of power. It’s quieter than your typical wind turbine because the tip speed is slower, due to the triple-helix design, which in turn allows it to be situated closer to buildings and on towers. It has a £25,000 price …

Solar Tower Video

Here’s a video of the solar tower in Spain that has been getting a lot of press lately. Engadget describes the system: “It consists of a towering concrete building, a field of 600 (and growing) sun-tracking mirrors that are each 120-square meters in size, and a receiver that converts concentrated solar energy from the heliostats into steam that eventually drives …

The One Megawatt Solar Glass Complex

There is an amazing building complex in Germany that is completely enclosed in glass and solar cells. The complex covers a total of 123,200 square feet. All this glass creates a pleasant “micro-climate” inside &#8212 the interior atmosphere is distinctly Mediterranean (notice the pools and deck chairs in the photos).