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  1. AirBubbl - nox and vox purifier

    Hyundai Kona
    Has anyone on here given the Airbubbl a thought? I've been toying with the idea for the last month or so. If you've not heard of it... Most car filters and HEPA filters take out particulates in the air, like dust or pollen. Nothing as yet, for a car, does anything with the gas pollutants. You...
  2. Emission Cheating - looking beyond VW

    Planes, Trains and Automobiles
    I stumbled upon this literature review on the real world performance of NOx controls. Worth reading . . . . http://www.theicct.org/sites/default/files/publications/ICCT_NOx-control-tech_revised%2009152015.pdf