I agree with the comments about the sharp transitions and the too "fast" looking slope.
For best marketing efforts (and for addressing the skeptics here and everywhere), you'll want to run a well-documented A-B-A test with the cap on & off at a range of speeds to demonstrate its effectiveness.
http://ecomodder.com/forum/showthrea...ery-11445.html
Where in Ontario are you?
I applaud your initiative!