Do you feel you are spending too much money on diesel to run your business, it think APS+ can do the work of reducing your consumption by 30%. Its an austria product, it is fixed btw the filter and the ejector and as the fuel passes through the APS it re-arranges the molecular formular and makes it softer, lighter thereby reducing the consumption. It also reducese the green house emission. It is guaranteed to work for 10 yrs. It you want to market this product or you want to get more detail you can reach me on 07034512455.