Efficient things
Efficient things
We just wrote about the new LED streelights in Ann Arbor. Now we find these self-contained streetlights that generate 100% of their power from the sun and the wind. During the day, solar power is stored in a battery at the base of the light pole. At night, they illuminate while continuing to generate power […]
Solar and Wind Powered StreetLights In Tokyo Read More »
This “Rotondo” rechargeable lamp uses LEDs for illumination — it will run for about eight hours before it needs a recharge. The lamp is also water resistant and is made with mouth-blown parnaterraglas with a frosted finish. It will cycle through a spectrum of colors, and can be stopped when the hue you desire is
Glass LED Lamp: Rechargeable and Cordless Read More »
Ann Arbor is on its way to being the first U.S. city to light up its downtown with 100% LED-based streetlights. The city expects to install more than 1,000 LED streetlights beginning next month. The city anticipates a 3.8-year payback on its initial investment.
First U.S City To Be Lit With 100% LEDs: Ann Arbor Read More »
The tallest wind turbines in the U.S. have been installed in Texas — the Vestas V90 turbines are 345 feet high, and are rated at 3 megawatts each. They are part of the 63 megawatt Snyder Wind Project, a wind farm that’s just been installed in western Texas.
The Tallest Wind Turbines In The U.S. Installed In Texas Read More »
A company called SolFocus (which was spun out of Xerox Palo Alto Research Center in 2006) has started installation of a 3-megawatt solar power plant in southern Spain. SolFocus makes solar cells that use much less silicon than regular panels because they use lenses and mirrors to concentrate sunlight. The solar concentrators magnify sunlight 500
3 Megawatts Of Mirrored Solar In Spain Read More »
eZee’s Torq II electric bike. A to B Magazine is a comprehensive electric bike review magazine published in the U.K. Here’s their electric bike review page, where bikes are rated on a five star scale. Unfortunately, all of their 5 star bikes are only available in Europe. One brand that got a 4 star rating
eZee Electric Bikes: Great Performance and Affordability Read More »
Schwinn’s new range of electric bikes are finally available. These innovative bikes have electric motors and batteries integrated seamlessly into their design. Schwinn claims that the four pound Protanium® lithium polymer battery included with these bikes is the lightest and most durable on the market. One charge will last 40-60 miles. The battery also charges
Schwinn Electric Bikes Now Available Read More »
There are only a few electric mountain bikes on the market, but electric motors can certainly assist with off-road riding. You can also build you own electric mountain bike by installing an electric motor kit onto an existing mountain bike. There’s also the Biontague, which is a mountain bike that has a electric kit pre-installed.
Electric Mountain Bikes Read More »