For our alternative fuel car design (or hybrid car) project, we were asked by Hyundai asked us to create a car design that carries 200 grams to a total of 5 meters. We had to use alternative energys, like rubber bands or a mouse trap. We started off blue printing, which we came up with a plastic bottle idea. However, that model resolved as inefficient, so we decided to make a simple wood build that uses rubber bands to roll it forward. This build proved to be far more consistant and even was able to reach its 5 meter distance. Here is a video of it going: