Here is the wbsite. http://www.energyoptimizer.net/energycel/

I did not post here to get critical reaction. I did not come in here saying I have a product that everyone must own. I came in here asking for help with the location of a fuel line. I am not a total beliver yet also. What I do know is I put one on a '03 Honda Element and I went from 20 MPG to 22-23 MPG. I took it off to put it on the Acura and I went back to 20 MPG on the Element. Oh and it was not a 1 tank test. It was 7, which is not a lot but I did get cosistently better MPG. As far as the mechanical part of using less RPM going same speed is maybe my illusion, but the car seams to run better to me.