John Sutherland of Napier.  I measured the mileage in my Motorhome before and after nitrogen filling.  Before, I got 302km to 42.3litres and after filling with nitrogen I got 432.4km to 41.01litres.  An extra 130kms.  I highly recommend the nitrogen filling.   Ron & Lyn Hodgson formerly of Waipawa now of Hastings.  We bought a … Continue reading Testimonials