Clean Power

Harvesting Waste Heat is Hot Business Concept

Published on February 17th, 2008 | by Carol Gulyas

6 comments

We renewable energy advocates love our silicon solar cells, but they come at a price: the process of making silicon generates massive amounts of heat and is a great, big electricity hog. “Quartz rocks placed in [&hellip... Read More


Energy Efficiency

Internet Reducing American Energy Use

Published on February 14th, 2008 | by Sarah Lozanova

8 comments

The internet is saving 10 times the energy required to run an internet-linked computer. Remember when renting a movie required a trip to the video store or checking a bank balance required a visit to the [&hellip... Read More


Biofuels

Raindrops Keep Falling on My PVDF Membrane

Published on February 12th, 2008 | by Maria Surma Manka

3 comments

French researchers are trying to develop a way to get electricity from rain, claiming the mechanical energy of raindrops could be enough to power low-energy devices. It’s not exactly as sexy as harnessing that big ball [&hellip... Read More


Batteries

Clean Energy Intro: What is an Inverter?

Published on February 11th, 2008 | by Michelle Bennett

23 comments

When we think about “clean” energy, we envision big, dark solar panels out in a field or on a roof. Or maybe wind turbines with those big whooshing propellers. What we don’t often think about are [&hellip... Read More


Interviews

Solar Thin Film Ready to Ramp Up Production?

Published on February 10th, 2008 | by Carol Gulyas

11 comments

Interview: Dr. W.S. Sampath at CSU has developed new “thin film” solar technology Thin film has been the holy grail of solar technology: everyone is seeking it, but so far its market penetration is well under [&hellip... Read More


Uncategorized

Welcome to CleanTechnica

Published on February 9th, 2008 | by Sarah Lozanova

Welcome to CleanTechnica, where clean technology comes alive. You can look to us to deliver relevant content for the green curious to the green expert. With a diverse writing team, we’ll keep you informed on topics [&hellip... Read More


Biofuels

Should We Pursue Biofuels From Beetle-killed Wood?

Published on February 8th, 2008 | by Timothy B. Hurst

5 comments

[This is the second half of a story about the pine beetle epidemic in Colorado and what is being done to mitigate its damage. Part one can be found by following this link to sustainablog.] Residents [&hellip... Read More


Biofuels

First Sustainable Ethanol to Mass Market?

Published on February 7th, 2008 | by Guest Contributor

5 comments

So, I have a confession. Jeff had to publish my mostly-finished post for our anniversary this week, because I was asleep on a plane. I was invited to Chicago for nine hours (no thanks to the [&hellip... Read More


Biofuels

Economic Conditions Shifting in Favor of Ethanol

Published on February 7th, 2008 | by Sarah Lozanova

3 comments

One of the most viable solutions to our large-scale environmental challenges is to use “waste” instead of virgin materials. This is especially true for the transportation fuels industry. Unfortunately, with the current infrastructure in place, virgin [&hellip... Read More


Clean Power

How To: Cheap or Free Solar Panels

Published on February 7th, 2008 | by Michelle Bennett

105 comments

My cousin mentioned to me that her family wanted to install solar panels on their roof. She said it was a huge disappointment because it was far too expensive. It would take twenty years for them [&hellip... Read More


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