Efficiency Archives – The Green Optimistic

How to Use an Exhaust Heat Recovery System to Charge up your Phone

Michael Rush — Fri, 25 Mar 2016 11:27:34 +0000

Although the world is constantly moving towards cleaner and greener means of transportation, a complete transition to these kinds of transport is still years away. So in the meantime, here’s one small technological device that improves the efficiency of conventional engines everywhere. Modern versions of the internal combustion engine found in a typical motor vehicle […]

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Efficient Shower Head Uses 70% Less Water, Feels Just as Good

Annika Tostengard — Mon, 05 Oct 2015 04:32:31 +0000

e-Shower is an Australian company that has developed a new, more efficient shower head. While there are many low-flow shower heads available on the market, none of them feel quite as good as traditional shower heads. The e-Shower head feels great and saves 70% of water and cuts back on the energy needed to heat […]

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Toyota Claims Manual Labor is More Efficient than Automation

Benji Jerew — Tue, 08 Apr 2014 16:12:00 +0000

Industrial robots, such as those used by automakers, make it possible to automate many repetitive tasks that would require many hours of manual labor, but is it efficient? Toyota Motor Corporation found out the hard way that industrial automation is not as efficient as having real human beings doing the work. In the short run, […]

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Solar Hydrogen Production Made More Efficient Using “Wormlike” Hematite Photoanode

Adele Hall — Sat, 28 Sep 2013 07:24:28 +0000

Researchers from the Ulsan National Institute of Science and Technology (UNIST), South Korea, have discovered a more efficient way to convert sunlight and water to clean hydrogen energy. The previous efficiency record of 4.2% was beaten and moved up to 5.3% due to the development of a “wormlike” Hematite Photoanode. Solar water splitting is a very […]

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Sony Ericsson Says Solar Powered Cell Phones Not So Green

Ovidiu Sandru — Tue, 23 Jun 2009 19:27:08 +0000

Not long ago, I presented some cell phones that, among their many functions, also incorporated a small solar panel, for flexible charging and green purposes. Well, those green purposes prove themselves being not so green, if we take into account recent studies.

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