The 15th Efficiency Challenge Electric Vehicle competition was held in Kocaeli Körfez Racing Circuit between September 15-19, 2019 with the participation of 70 teams. Dr. Colpan took a role in this organization as a Jury Member. Undergraduate students from the Mechanical Engineering Department of Dokuz Eylul University, Sera Ayten Çetinkaya, Duhan Çavuşoğlu , Eda Bülbül and Mert Gür also participated in this event as Guides.
![](https://colpan.org/wp-content/uploads/2019/10/Eff_Challenge_2019.jpg)
![](https://colpan.org/wp-content/uploads/2019/10/ec2019-15.jpg)