korea Archives – The Green Optimistic green tech news, since 2008 Fri, 15 Feb 2013 15:06:42 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Korean Wireless Power System Could Mean Faster Bullet Trains https://www.greenoptimistic.com/korean-wireless-power-bullet-trains-20130215/ https://www.greenoptimistic.com/korean-wireless-power-bullet-trains-20130215/#respond Thu, 14 Feb 2013 22:34:12 +0000 https://www.greenoptimistic.com/?p=33264 When trains were getting faster than their coal-driven ancestors, train engineers turned to diesel fuel, and for a while, this was pretty good, especially with the addition of aerodynamic design and suspension design. Eventually, though, instead of driving the wheels directly, electric motors were installed, which offered much more torque and speed. The diesel engines […]

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