electric car motor Archives – The Green Optimistic green tech news, since 2008 Wed, 18 Sep 2013 20:04:05 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Yaskawa EV Motor – New Wire Shape Eliminates Rare-Earth Magnets https://www.greenoptimistic.com/yaskawa-ev-motor-new-wire-shape-eliminates-rare-earth-magnets-20130118/ https://www.greenoptimistic.com/yaskawa-ev-motor-new-wire-shape-eliminates-rare-earth-magnets-20130118/#comments Fri, 18 Jan 2013 16:07:56 +0000 https://www.greenoptimistic.com/?p=31669 Some of the world’s most powerful magnets, not including electromagnets, are made from the rare-earth metals neodymium, samarium, or yttrium. As a result, rare-earth magnets are expensive, while magnets made of iron, ferrite magnets, are cheaper, but not nearly as strong. Electric motors only function because of magnetism, and can be made up of arrangements of […]

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