Gasoline-powered cars are perhaps the most inefficient devices that many of us use daily. The internal combustion engine is inefficient in term of pollution, gas costs and maintenance costs. Electric motors are comparatively simple devices that do not require much maintenance at all. But, as you may know, it’s difficult to obtain an commercial electric […]
See our updated report on Electric Cars In 2011. At MetaEfficient, I am a strong advocate of car-free living (see my review of the books How To Live Well Without Owning A Car and Car-Free Cities). However, clean, electric vehicles can be useful in some situations. If you recharge them using a renewable energy source […]
The Zapino scooter, made by ZAP, in a company better known for their electric cars, has been getting rave reviews. Many Zapino owners report that this scooter performs really well and is quite reliable (see here and here). It’s also relatively inexpensive, being sold for just under $3000. It has a powerful 3000-watt brushless DC […]
Photo of Clipper’s 2.5 Megawatt turbine — the 7.5 megawatt turbine will be much larger. The Queen is investing in the world’s largest wind turbine. It’s a prototype of a new line of wind turbines called “The Britannia” which will be produced by Clipper Windpower, based in California. The turbine tower stands about 328 feet, […]
A start-up company called Envision Solar has begun installing solar canopies in the parking lots of shopping centers. These lots, usually barren, heat-producing landscapes, can now provide shade for customers, while generating up to a half-megawatt of electricity. Envision’s “Solar Groves” incorporate lights that turn on automatically at night, while blocking skyward light pollution.