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One of the most important issues with our vehicle is the aerodynamic shape. The aerodynamic shape will determine how air flows around the vehicle. Some calculations have shown even the slightest bug or edge can change the air flow over the vehicle. When the air flow is changed this way, it means the eco-runner will need much more hydrogen to drive the same distance. 

The top of the eco-runner is currently made out of PETG plastic. This plastic is hard to work with. Especially worrisome is the part where the top and the bottom parts connect. There is a sharp edge there right now. A whole new top will be made this year. It will be made out of glass- or carbon fiber, a very good material to use for this purpose. Hopefully it will be as smooth as possible and have a smooth connection to the bottom part. Then we will be very happy.