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The latest news in energy efficiency
April 10, 2012
Hot air and the wind production tax creditOur blog area this month gives kudos to Sen. Max Baucus, D-Mont for introducing a bit of logic into the debate about energy production tax credits for the wind industry. Sound reasoning from a legislator? Who would have guessed that was possible. It will be interesting to see what kind of reaction the Senator's comments receive at the upcoming wind energy show (June 3 - 6 in Atlanta). As always, send your energy efficiency news to us at [email protected]. |
Featured Content
High gas prices don’t mean peak oilPrices at U.S. gas pumps are edging above $4/gallon, and consumers are desperately looking for someone or something to blame. But you can eliminate "peak oil" from the scapegoat list. |
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Zhaga sagaWhen light bulbs last 20 years or more, the fixtures housing them could go out of style before the bulbs go dar, The Zhaga standard lets designers create solid-state lighting that can adapt to improvements in technology and changes in taste. But it is a standard that is in flux. Here is an update on where the specs are and what to expect. |
Super-efficient heat exchanger could be a game changer
It turns out that fluid swirled into a vortex can transfer heat more efficiently than when it is passed through the tubes of a conventional shell-and-tube heat exchanger. This insight comes from Georgios Vatistas, professor of Mechanical and Industrial Engineering at Concordia University in Montreal. Vatistas, an expert in vortex dynamics, has patented the idea with doctoral fellow Mohammed Fayed and has produced a prototype said to be four to six times more efficient than the traditional shell-and-tube heat exchangers found in chillers.
Energy shortsLED module family features white light technology |
The case for switched reluctance motorsTechnological advances let switched reluctance motor-drive systems be significantly more efficient than comparable induction motors. The resulting technology could have a big impact on motor-powered appliances and equipment of all sorts. |
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