In this 2012 photo, MTSU’s Dr. Charles Perry explains to NewsChannel 5 Reporter Chris Conte the technology behind his plug-in hybrid retro-fit kit that would allow electric motors to be attached to the rear wheels of any car. Perry was part of a small group of MTSU officials who traveled to Turkey recently to sign a letter of intent with two universities there to further research and development the technology for mass production and licensing. (MTSU file photo by News and Media Relations)
![](https://mtsunews.com/wp-content/uploads/2014/05/Perry-demo-wheel-hub-to-Ch-5-2012-file_web.jpg)
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