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  • Articles
    • Clean Transportation
    • Energy Efficiency
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Tag:

Lighting

Bill Gates on the Importance of Energy to the Developing World

written by Walter Wang

Anyone who discounts what Bill Gates says on any issue has some explaining to do. Recall that, when he ran Microsoft, Gates would famously make himself available to talk with employees who wished to present their ideas, but was aggressively unforgiving of people who hadn’t done their homework, and were unable to support their positions in reasoned

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April 15, 2013 0 comment
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The Pyramid of Conservation

written by Walter Wang

Whether they’re building a new house or improving a well-loved home, energy-conscious homeowners everywhere are trying to lower energy use and costs. Even with the best of intentions, however, consumers are overwhelmed by too much information, which causes many of them to give up long before they screw in their first CFL light bulb. To

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April 8, 2013 0 comment
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Is Xenon Lighting Environmentally-Friendly?

written by Walter Wang

These days we hear a lot about green light sources. Over 70% of households in the U.S. use spiral CFLs (Compact Fluorescent Lamps) to save energy. If you’re committed to going green in your home or business, you’re probably familiar with the LED (Light Emitting Diode) too. LEDs can be up to 90% more efficient than standard incandescent light bulbs.

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April 8, 2013 0 comment
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A Flood of Good Advice – Home Energy Audit

written by Walter Wang

Imagine this. You and your beautiful bride-to-be take a break from wedding planning for a much needed weekend away. With your mid-sized SUV loaded, you head west for snow covered hills. After a few days of playing in powder, sleeping in and drinking adult beverages on a sun-kissed patio, you head home feeling refreshed and ready to button-up the final

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March 21, 2013 0 comment
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Green Patents for Sale: Illumitex’s LED Chip and Light Extraction Portfolio

written by Walter Wang

Pluritas, a San Francisco IP advisory firm, is handling the sale of an LED patent portfolio developed and currently owned by a company called Illumitex.

According to the press release, Illumitex has shifted focus from LED design to lighting fixtures and total solutions and is therefore putting its chip patents up for sale.

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March 4, 2013 0 comment
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Cleantech in Court: Green Patent Complaint Update

written by Walter Wang

There have been a number of green patent complaints filed recently in such technology areas as compact fluorescent lamps, LEDs, and battery chargers.

Compact Fluorescent Reflector Lamps

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February 28, 2013 0 comment
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Find Lasting Love – Lighting Deals

written by Walter Wang

Much like finding the right romantic partner, finding the perfect lighting can be a difficult journey fraught with questionable choices, embarrassing miscues and impulsive decisions.

You could be attracted to the wrong type of light bulb or make the same bad choices in the lighting aisle.

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February 25, 2013 0 comment
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Energy Audits Don’t Actually Save Energy – Why Do I Need One?

written by CleanTechies.com Contributor

Treatment without diagnosis is risky, for human health or home energy performance.

For any tax-paying citizen, the term “audit” probably has more negative than positive connotations. That’s why companies and individuals who perform home energy audits often refer to their services as “energy assessments” or “energy evaluations.” If the “A” word stigma isn’t bad

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February 22, 2013 2 comments
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Energy Efficiency Prospects: What to Watch

written by Walter Wang

Events unfolding in two US Northeast states – New York and Massachusetts – signal increased business opportunity for energy efficiency companies, green architects, lighting contractors, smart grid innovators and others in the business of saving energy.

First, the energy efficiency world should keep an eye

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February 7, 2013 0 comment
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Cleantech In Court: Green Patent Complaint Update

written by Walter Wang

A number of green patent complaints have been filed in the last several weeks in the areas of biofuels, compressed air turbines, and LEDs.

Biofuels

Neste Oil, OYJ v. Dynamic Fuel, LLC et al.

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January 25, 2013 0 comment
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Using Fireflies As a Model, Scientists Boost Efficiency of LED Lights

written by Yale Environment 360

Drawing inspiration from the structure of a firefly, scientists say they have improved the efficiency of a light-emitting diode (LED) by 55 percent.

While studying the insects, the researchers noticed that a pattern of sharp, jagged scales on the fireflies’ bodies enhanced the amount of light emitted by the

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January 9, 2013 0 comment
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Markets for Energy Efficiency in 2013: Part II

written by Walter Wang

California holds the unofficial title of greenest of US states. But Massachusetts might swipe the crown if it keeps up its current pace investing in green energy.

For those in the energy efficiency industry, Massachusetts is a state to watch for opportunity. The American Council for an Energy Efficient Economy has named Massachusetts the top state

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December 24, 2012 1 comment
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What if You Can’t Afford LED Lights?

written by Walter Wang

Advanced lighting has brought us not only energy savings, but also a slew of new screw-in-a-light bulb jokes. For LEDs, it usually goes something like this: How many people does it take to screw in a LED light? One. And a roomful of deep wallets to pay for it.

To be fair, the cost of LEDs (light-emitting diodes) has been falling dramatically and is now even

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December 6, 2012 3 comments
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Solar-Equipped ‘iShacks’ Offer Cheap, Sustainable Housing in South Africa

written by Yale Environment 360

South African researchers say they have developed a low-cost and sustainable housing alternative to the flimsy corrugated iron shacks found in the country’s growing settlements. Developed by an interdisciplinary at Stellenbosch University’s TsamaHUB center, the so-called iShack is insulated with inexpensive, natural materials such as mud and

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November 26, 2012 2 comments
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