Here is something that is being made Down Under that you might be interested in! Pretty neat! There are other videos on the side regarding it also.
https://www.youtube.com/watch?v=IH5h0qU4EQ4
https://www.youtube.com/watch?v=yPWhbdvvJ-A
https://www.youtube.com/watch?v=IH5h0qU4EQ4
https://www.youtube.com/watch?v=yPWhbdvvJ-A