haha whats new about that? I have been watching those infomercials for the tornado's since I was a weeeeee lad. hahahaha
Tornado Fuel Saver - Tornado Gas Saver - Less Trips to the Gas Station
Just looks like a fancy'd up version. I wonder how many of these companies actually evaluate the fluid flow calculations for the fins on that, or did the impeller/fin design at all. Someone should leave a question on his ebay account and see what responce you get.