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New Light Bulb Efficiency Guidelines

by Benjamin Roman •

There has been much discussion in the media lately (including a fair amount of misinformation) regarding the phase-out of traditional incandescent light bulbs in the United States.  Read on to separate the reality from the hype, and to learn more about efficient lighting technologies that will save energy and cut your power bills.

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World’s Largest Solar Roof To Power High Speed Rail Station in China

by Tracy McGill •

Efficiency abounds in China as the world’s largest building integrated photovoltaic project prepares to power the railway station where some of the world’s fastest high speed trains pass through. China Sunergy, a solar cell and module manufacturer based in Nanjing, China, has recently signed a deal with CEEG (Nanjing) Solar Energy Research Institute to supply the 7MW solar modules for …

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New Luminescent Bulbs May Outshine LEDs and Fluorescents

by Tracy McGill •

Retailers are gearing up to meet deadlines for the incandescent light bulb ban. Ikea has already stopped selling the inefficient bulbs. And California has pulled the plug and is letting current supplies run down. Many incandescent lovers are shedding tears and hating on the mercury-containing CFLs and the more expensive (though infinitely more efficient) LEDs. So here come the ESLs. …

13

Best Electric Bikes

by Tracy McGill •

Kalkhoff Electric Bike

The past year has seen an abundance of bike manufacturers entering into the electric bike arena with slick, lightweight and powerful bikes. Despite misconceptions, electric bikes allow commuters to increase their range safely and arrive to the office smelling fresh, while still getting exercise (yes, you still have to pedal an electric bike) and reducing their carbon footprint. They also …

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New LED Light Bulbs Can Replace 100W Incandescents

by Justin Thomas •

Update: See our latest post on LED Light Bulbs For The Home. I recently had the chance to test two state-of-the-art LED light bulbs from EarthLED. LED bulbs have many advantages over incandescents and compact fluorescent: they use very little power, they last 10 years or more, and they contain no hazardous substances. They are also tough: they can be …

2

New High Power LED Floor Lamps

by Justin Thomas •

Koncept has released a new series of their I-Tower LED floor lamps. It’s good to see LED floor lamps becoming widely available. These lamps use the latest generation of high-power LEDs, which means they are brighter than the older I-Tower lamps, but they actually uses less power (8.8 watts). There are two models: a daylight version (~5500 Kelvin) and a …

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The Best Electric Scooters

by Justin Thomas •

You may have been looking for our review of electric bikes. e-Zip E750 Electric Scooter by Currie Technologies This electric scooter, the e-Zip 750, is currently the top-rated electric scooter on Amazon, with an average 4.5 out of 5 stars from 69+ reviewers. It has a 12-mile range (depending on rider weight) and top speed of 15 miles per hour. It’s …

2

First Japanese Solar Powered Condo

by Justin Thomas •

This condo complex, called the Grandia Solare, is said to be the first of its kind in Japan. Each apartment gets 1530 watts of solar power from the building’s roof. Apparently the solar cells are owned by a third-party, so the upfront cost of the panels was not passed on to the condo’s residents. The condo also has a number …

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12V Compact Fluorescents (15 or 23 Watt)

by Justin Thomas •

This is a meta-efficient bulb because it is a 12V compact fluorescent. Available in 15-watts, equal to a 60-watt incandescent (880 lumens), or 23-watts, equal to a 100-watt incandescent (1350 lumens). These lights have a warm color (2700K), operate at 14° to 130°, and measure 5.2"L x 2.1" diameter.

Three-Way Compact Fluorescent 120V

by Justin Thomas •

Three-way compact fluorescents are now available. This bulb offers the warm glow of an incandescent in three different wattages: 11, 22 and 33 watts, comparable to 40, 75 and 115 watt of a standard bulb. Available from: Amazon ($11.90)