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I am back again with a second version of a clear aero cover. This version uses clear vinyl and a zipper. The zipper allows for very easy install and removal of the cover. This version is also much less costly to make. At this stage I only have a prototype version. I have done some...

It all started at a Tesla service center in Vancouver BC in the summer of 2016 when I was talking to an employee about the wheels. I asked why there was a difference between the 19-inch wheels and the 21-inch wheels in terms of efficiency. The rep told me it had to do with the contact patch, as...